87
1997 Air Quality Data Summary January 1999 Publication Number 98-212
1997Air
QualityData
Summary
January 1999Publication Number 98-212
Table of Contents
1997 Air Quality Data Summary 1
Ambient Air Quality Standards...........................................................................2
Stations Exceeding the Standards........................................................................3
Site Changes .......................................................................................................4
Air Quality Agencies ..........................................................................................5
Nonattainment and Maintenance Areas...............................................................6
Geographical Air Monitoring..............................................................................7
Central Area..............................................................................................9
Coastal Area ...........................................................................................14
Eastern Area ...........................................................................................21
Northwest Area.......................................................................................25
Puget Sound Area ...................................................................................29
Southwest Area.......................................................................................54
Spokane County Area .............................................................................64
Yakima County Area ..............................................................................72
Visibility Monitoring ........................................................................................76
Visibility Data...................................................................................................78
Quality Assurance.............................................................................................83
Ambient Air Quality Standards
2 1997 Air Quality Data Summary
AMBIENT AIR QUALITY STANDARDS Pollutant National
Primary Secondary
Washington State
Total Suspended Particulates Annual Geometric Mean 24 - Hour Average
No Standard No Standard
No Standard No Standard
60 µg/m3
150 µg/m3
Lead (Pb) Quarterly Average
1.5 µg/m3
1.5 µg/m3
No standard
Particulatesa
PM10
Annual Arithmetic Mean 24 - Hour Average
PM 2.5
Annual Arithmetic Mean 24 - Hour Average
50 µg/m3
150 µg/m3
15 µg/m3
65 µg/m3
50 µg/m3
150 µg/m3
15 µg/m3
65 µg/m3
50 µg/m3
150 µg/m3
No standard No standard
Sulfur Dioxide (SO2) Annual Average 24 - Hour Average 3 - Hour Average 1 - Hour Average
0.03 ppm 0.14 ppm
No Standard No Standard
No Standard No Standard
0.50 ppm No Standard
0.02 ppm 0.10 ppm
No standard 0.40 ppmb
Carbon Monoxide (CO) c
8 - Hour Average 1 - Hour Average
9 ppm
35 ppm
9 ppm
35 ppm
9 ppm
35 ppm
Ozone (O3) c,d
1 - Hour Averagee
0.12 ppm
0.12 ppm
0.12 ppm
8 – Hour Average 0.08 ppm 0.08 ppm No standard
Nitrogen Dioxide (NO2) Annual Average
0.053 ppm
0.053 ppm
0.05 ppm
a - New Particulate standards went into effect on September 16, 1997. b - 0.25 not to be exceeded more than two times in any 7 consecutive days. c - Primary standards are listed in this table as they appear in the federal regulations, ambient
concentrations are rounded using the next higher decimal place to determine whether astandard has been exceeded. The data charts in this report are shown with these unroundednumbers,
d - Eight-hour ozone standard went into effect on September 16, 1997. One-hour ozone standardwas revoked on June 5, 1998.
e - Not to be exceeded on more than 1.0 days per calendar year as determined under the conditionsindicated in Chapter 173-475 WAC.
• ppm = parts per million• µg/m3 = micrograms per cubic meter• Annual Standards never to be exceeded, short-term standards not to be exceeded more than
once per year unless noted.
Stations Exceeding the Standard
1997 Air Quality Data Summary 3
Total Suspended Particles (24-hour standard = 150 µµg/m3)
There were two exceedances of the state TSP standard during 1997, recorded in Seattle.
Station 1776K71B, Harbor Island, Seattle 1/16/97 19012/12/97 172
Particulate Matter/PM10 (24-hour standard = 150 µµg/m3)
There were six exceedances of the PM10 standard during 1997, recorded at four stationslocated in Colville, Kennewick, Wallula, and Walla Walla.
Station 3316004A, Colville, County Courthouse 1/16/97 3052/21/97 153
Station 0340003J, Kennewick VSC 3/30/97 165
Station 3600002J, Wallula, Nedrow Farm 6/21/97 1607/3/97 210
Station 3692007A, Walla Walla, Fire Station 09/25/97 155
Site Changes
4 1997 Air Quality Data Summary
Total Suspended Particles (TSP)
33000006A Northport School, Stevens Co. Established 8/14/97
Particulate Matter (PM10)
0566009G Stevens, Pt. Angeles Discontinued 4/18/971776K60B Harbor Island, Seattle Discontinued 12/30/971868B06B Lions Park, Poulsbo Discontinued 12/12/97
Carbon Monoxide (CO)
1777001A Quick Stop, Sea-Tac Discontinued 3/11/973278048A 3rd & Washington, South Side Established 1/7/973996002A Yakima, Jade Tree Discontinued 5/9/973996005A Yakima, Courthouse Established 9/12/97
Nitric Oxide (NO), Nitrogen Dioxide (NO2), Oxides of Nitrogen (NOx)
0800003A Castle Rock, Cowlitz County Established 4/11/970800004A Woodland, Cowlitz County Established 7/24/97
Ozone (O3)
0600005A Hockinson, Clark County Established 4/1/970800004A Woodland, Cowlitz County Established 4/2/971776029A Seattle, Beacon Hill Parameter established 4/1/973100002A Snohomish Co., Getchell Discontinued 10/31/973496001G Yelm, Thurston County Established 5/8/97
Air Quality Agencies
1997 Air Quality Data Summary 5
EcologyEastern RegionalOffice
Olympic Air Pollution Control Authority
Ecology:Central RegionalOffice
Ecology:Central Regional Office
Northwest Air Pollution Authority
BentonClean AirAuthority
Spokane Co.Air PollutionControlAuthority
YakimaRegionalClean Air AuthoritySouthwest Air Pollution
Control Authority
Puget SoundAir PollutionControl Agency
Ecology:Northwest RegionalOffice
Thurston
Pacific
Wahkiakum
Cowlitz
Clark
Clallam
Jefferson
Mason
Grays HarborPierce
Lewis
Skamania
Pend Oreille
Stevens
Ferry
Spokane
Grant
Lincoln
Whitman
Adams
FranklinGarfield
Columbia
Walla WallaAsotin
Whatcom
(San Juan)
SkagitIsland
Snohomish
Kitsap
King
Klickitat
Okanogan
Chelan Douglas
Kittitas
Yakima Benton
0 50 100 Miles
N
EW
SAir Pollution Control Authorities of Washington
September 21, 1998 Tribal Lands
Note: Tribes may have authority over air quality within the boundaries of their reservations.
Nonattainment and Maintenance Areas
6 1997 Air Quality Data Summary
Nonattainment Area
Geographical Air Monitoring
1997 Air Quality Data Summary 7
Ecology’s air monitoring network is established with the intent of determining air quality inareas of the state that have experienced higher levels of air pollution. The number andlocation of monitors may change each year based on changing conditions in an area (see “SiteChanges” on page 4). The data on the following pages is organized by geographic area forthe purposes of this report. This table identifies which counties and monitoring sites arelocated in which geographic areas.
County Geographic Area Site No. Site LocationAsotin Eastern 0214005 Clarkston, STPBenton Eastern 0340003 Kennewick VSCChelan Central 0444001 Leavenworth, Cascade Mid. SchoolChelan Central 0490004 Wenatchee, Community CollegeChelan Central 0490005 Wenatchee, Columbia SchoolClallam Coastal 0566009 Pt. Angeles, Stevens Mid. SchoolClallam Coastal 0566410 Pt. Angeles, 3rd & ChestnutClallam Coastal 0566412 Pt. Angeles, City LightClark Southwest 0600002 Vancouver, Mt. View High SchoolClark Southwest 0600003 Clark Co., Hazel DellClark Southwest 0688011 Vancouver, Atlas and CoxClark Southwest 0688012 Vancouver, Moose LodgeClark Southwest 0688014 Vancouver, Wa. Elem. SchoolCowlitz Southwest 0800003 Cowlitz Co., Castle RockCowlitz Southwest 0844004 Longview, City ShopsKing Puget Sound 1740K73 Kent, James and CentralKing Puget Sound 1744K74 Lake Forest Park, City HallKing Puget Sound 1776K55 Seattle, DuwamishKing Puget Sound 1776K60 Seattle, Harbor IslandKing Puget Sound 1776K61 Seattle, South ParkKing Puget Sound 1776K71 Seattle, Harbor IslandKing Puget Sound 1700002 King Co., Lk. Sammamish St. Pk.King Puget Sound 1700004 King Co., Enumclaw FS #3King Puget Sound 1700007 King Co., EnumclawKing Puget Sound 1708003 Bellevue, SturtevantsKing Puget Sound 1708004 Bellevue, Scan DesignKing Puget Sound 1708005 Bellevue, NE 8th & 108th NEKing Puget Sound 1776020 Seattle, Zanadu ComicsKing Puget Sound 1776026 Seattle, 4th & PikeKing Puget Sound 1776029 Seattle, Beacon HillKing Puget Sound 1776033 Seattle, Northgate Apts.King Puget Sound 1776308 Seattle, James St.King Puget Sound 1777001 Sea-Tac, Quick StopKitsap Puget Sound 1800B05 Kitsap Co., MeadowdaleKitsap Puget Sound 1868B06 Poulsbo, Lions ParkKitsap Puget Sound 1806003 Bremerton, Midway InnKittitas Central 1922003 Ellensburg, Hal Holmes
Geographical Air Monitoring
8 1997 Air Quality Data Summary
County Geographic Area Site No. Site LocationKlickitat Central 2000001 Klickitat Co., WishramLewis Southwest 2100006 Packwood LakePierce Puget Sound 2700P18 Puyallup, South HillPierce Puget Sound 2782P01 Tacoma, Fire Station #12Pierce Puget Sound 2782P16 Tacoma, 54th Ave. NEPierce Puget Sound 2782P17 Tacoma, Alexander Ave.Pierce Puget Sound 2700007 Pierce Co., Pack ForestPierce Puget Sound 2700016 Pierce Co., Rainier #2Pierce Puget Sound 2782013 Tacoma, Pacific Ave.Skagit Northwest 2900001 Anacortes, Texaco SouthSkagit Northwest 2900004 March Pt., KiesserSkagit Northwest 2900077 Skagit Co., DarringtonSnohomish Puget Sound 3124S04 Everett, Hoyt Ave.Snohomish Puget Sound 3146S08 Lynnwood, 59th PlaceSnohomish Puget Sound 3148S07 Marysville, Jr. High SchoolSnohomish Puget Sound 3100002 Snohomish Co. GetchellSnohomish Puget Sound 3124006 Everett, Navada Bob’sSpokane Spokane 3200019 Spokane Co., Green BluffSpokane Spokane 3200020 Spokane, RockwoodSpokane Spokane 3214999 Cheney, Turnbull SloughSpokane Spokane 3250004 Spokane, MillwoodSpokane Spokane 3278009 Spokane, Crown Z.Spokane Spokane 3278039 Spokane, Hamilton St.Spokane Spokane 3278040 Spokane, Auto GlassSpokane Spokane 3278043 Spokane, Backdoor TavernSpokane Spokane 3278044 Spokane, 3rd Ave.Spokane Spokane 3278045 Spokane, Spokane ClubSpokane Spokane 3278046 Spokane, Monroe StreetSpokane Spokane 3278047 Spokane, 3rd & WashingtonStevens Eastern 3316004 Colville, County CourthouseThurston Coastal 3444003 Lacey, Mt. View ElementaryThurston Coastal 3444004 Lacey, OAPCA OfficeThurston Coastal 3460010 Olympia, Odd FellowsThurston Coastal 3484001 Tumwater, TrosperWalla Walla Eastern 3600002 Walla Walla Co., WallulaWalla Walla Eastern 3692007 Walla Walla, Fire StationWhatcom Northwest 3700006 Whatcom Co., Custer FCC Bldg.Whatcom Northwest 3706005 Bellingham, School Dist.Whatcom Northwest 3706069 Bellingham, Chestnut St.Yakima Yakima 3978005 Sunnyside Intermediate SchoolYakima Yakima 3978006 Sunnyside, Chief Kamiakin ElementaryYakima Yakima 3996002 Yakima, Jade TreeYakima Yakima 3996003 Yakima, Anthon – YVCCYakima Yakima 3996008 Yakima, Garfield ElementaryYakima Yakima 3996009 Yakima, YVCC – Sundquist
Central Area
1997 Air Quality Data Summary 9
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
0444001A Leavenworth, Cascade Mid.Sch 25* 210490005A Wenatchee, Columbia School 24* 24 24 271922003A Ellensburg, Hal Holmes 21* 29 29
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
0444001A Leavenworth, Cascade Mid.Sch 58 1/13 51 1/16 210490005A Wenatchee, Columbia School 73 2/21 70 1/13 271922003A Ellensburg, Hal Holmes 112 1/16 105 1/14 29
* Average based on less than 12 months of data.
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
0444001A Leavenworth, Cascade Mid.Sch Jan-Dec 1/6 86 1000490005A Wenatchee, Columbia School Jan-Dec 1/6 73 1001922003A Ellensburg, Hal Holmes Jan-Dec 1/6 94 100
Central Area
10 1997 Air Quality Data Summary
Particulate Matter
0 0 0 0 0 0 0 0
55 58
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Leavenworth, Cascade Mid.Sch24-Hour Maximums
0444001A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0 0 0
2521
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Leavenworth, Cascade Mid.SchAnnual Arithmetic Mean
0444001A
PrimaryStandard 50
0 0 0 0 0 0
4570
8673
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Wenatchee, Columbia School24-Hour Maximums
0490005A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0
24 24 2427
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Wenatchee, Columbia SchoolAnnual Arithmetic Mean
0490005A
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Central Area
1997 Air Quality Data Summary 11
Particulate Matter
0 0 0 0 0 0 0
41
109 112
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Ellensburg, Hal Holmes24-Hour Maximums
1922003A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0 0
21
29 29
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Ellensburg, Hal HolmesAnnual Arithmetic Mean
1922003A
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Central Area
12 1997 Air Quality Data Summary
Ozone
Ozone (ppm) for 1997 (8-Hour)
8-Hour Maximums1st High 4th High
Station Location Conc Date Conc Date
2000001A Wishram, Columbia River Gorge 0.062 5/12 0.058 8/12
Ozone (ppm) for 1997 (1-Hour)
1-Hour Maximums1st High 2nd High 2nd Day High*
# Hrs ExceedanceStation Location Conc Date Conc Date Conc Date >.124 Days
2000001A Wishram, ColumbiaRiver Gorge
.075 5/19 .074 8/14 .074 8/14 0 0
*2nd Day High - Second day with the highest 1-hour average.
Ozone for 1997
Period % ValidStation Location of Record # Hours # Days Data
2000001A Wishram, Columbia River Gorge Apr-Oct 5,090 214 99
Central Area
1997 Air Quality Data Summary 13
Ozone
0 0 0 0 0
0.071
0.092 0.091
0.105
0.075
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Wishram, Columbia River Gorge1-Hour Maximums
2000001A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Wishram, Columbia River GorgeNumber of Exceedances
2000001A
No Exceedances
Coastal Area
14 1997 Air Quality Data Summary
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
0566009G Pt. Angeles, Stevens Mid.Sch. 27* 26*0566412G Pt. Angeles, City Light 32* 28 28 28 26 22 20 22 233444003G Lacey, Mt. View Elementary 34 30 24 25 26 27 19 19 16 18
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
0566009G Pt. Angeles, Stevens Mid.Sch. 45 2/21 40 1/16 26*0566412G Pt. Angeles, City Light 46 7/27 43 1/14 233444003G Lacey, Mt. View Elementary 66 1/16 58 1/14 18
* Average based on less than 12 months of data.
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
0566009G Pt. Angeles, Stevens Mid.Sch. Jan-Apr 1/6 27 1000566412G Pt. Angeles, City Light Jan-Dec 1/6 69 1003444003G Lacey, Mt. View Elementary Jan-Dec 1/6 126 100
Coastal Area
1997 Air Quality Data Summary 15
Particulate Matter
0 0 0 0 0 0 0 0
47 45
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Pt. Angles, Stevens Mid.Sch.24-Hour Maximums
0566009G
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0 0 0
27 26
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Pt. Angles, Stevens Mid.Sch.Annual Arithmetic Mean
0566009G
PrimaryStandard 50
0
68 57 6448
6342 44 50 46
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Port Angeles, City Light24-Hour Maximums
0566412G
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0
3228 28 28 26
22 20 22 23
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Port Angeles, City LightAnnual Arithmetic Mean
0566412G
PrimaryStandard 50
Primary Standard
50
Primary Standard
150
Primary Standard
50
Pt. Angeles, Stevens Mid.Sch. Pt. Angeles, Stevens Mid.Sch.
Pt. Angeles, City Light Pt. Angeles, City Light
Coastal Area
16 1997 Air Quality Data Summary
Particulate Matter
169
128141
106 10279 77 76
55 66
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Lacey, Mt. View Elementary24-Hour Maximums
3444003G
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
3430
24 25 26 27
19 1916 18
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Lacey, Mt. View ElementaryAnnual Arithmetic Mean
3444003G
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Coastal Area
1997 Air Quality Data Summary 17
Carbon Monoxide
Carbon Monoxide (ppm) for 1997
1-Hour Maximums 8-Hour Maximums1
1st High 2nd High 1st High 2nd High 2nd Day2
8-Hr.Station Location Conc Date Conc Date Conc Date Conc Date Conc Date Exc.
3444004A Lacey, OAPCA Office 10.5 1/13 10.4 11/26 7.1 11/14 6.8 1/15 6.8 1/15 0
1. 8-hour readings are non-overlapping.2. 2nd Day High = Second day with the highest 8-hour average.
Carbon Monoxide (ppm) for 1997
Period % ValidStation Location of Record # Hours # Days Data
3444004A Lacey, OAPCA Office Jan-Jun, Oct-Dec 6,478 273 99
0 0 0 0 0 0 0 0
7.57.1
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Lacey, OAPCA Office8-Hour Maximums
3444004A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Lacey, OAPCA OfficeNumber of Days with 8-Hour Exceedances
3444004A
No Exceedances
Coastal Area
18 1997 Air Quality Data Summary
Sulfur Dioxide
Sulfur Dioxide for 1997
1-Hour Maximum 3-Hr Max 24-Hr Max # 24-Hour#1-Hr #3-Hr Annual
Station Location 1st Date 2nd Date >.40 Conc Date >.50 Conc Date >.10 >.14 Mean
0566410A Pt Angeles, 3rd & Chstnt .094 2/26 .093 2/26 0 .077 2/26 0 .021 8/11 0 0 .004
Sulfur Dioxide for 1997
Period % ValidStation Location of Record # Hours # Days Data
0566410A Pt Angeles, 3rd & Chstnt Jan-Dec 8,602 358 98
0.40.37 0.365
0.3230.345
0.154
0.605
0.647
0.268
0.094
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Port Angeles, 3rd & Chestnut1-Hour Maximum
0566410A
State Standard 0.4 ppm
0 0 0 0 0 0
4
1
0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
sPort Angeles, 3rd & Chestnut
Number of Exceedances0566410A
Coastal Area
1997 Air Quality Data Summary 19
Ozone
Ozone (ppm) for 1997 (8-Hour)
8-Hour Maximums1st High 4th High
Station Location Conc Date Conc Date
3496001G Yelm, Fire Station 0.060 5/11 0.053 5/10
Ozone (ppm) for 1997 (1-Hour)
1-Hour Maximums1st High 2nd High 2nd Day High*
# Hrs ExceedanceStation Location Conc Date Conc Date Conc Date >.124 Days
3496001G Yelm, Fire Station .076 5/11 .074 5/13 .074 5/13 0 0
*2nd Day High - Second day with the highest 1-hour average.
Ozone for 1997
Period % ValidStation Location of Record # Hours # Days Data
3496001G Yelm, Fire Station May-Oct 4,168 177 98
Coastal Area
20 1997 Air Quality Data Summary
Ozone
0 0 0 0 0 0 0 0 0
0.076
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Yelm, Fire Station1-Hour Maximums
3496001G
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Yelm, Fire StationNumber of Exceedances
3496001G
No Exceedances
Eastern Area
1997 Air Quality Data Summary 21
Total Suspended Particulates
Total Suspended Particulates (µg/m3) for 1997
1st High 2nd High AnnualGeo.
Station Location Conc Date Conc Date Mean
3300006A Northport School, Stevens County 60 12/24 60 12/24 36.1
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
0214005A Clarkston, STP 43* 37 30 32 37*0340003J Kennewick VSC 15* 18 21 203316004A Colville, County Courthouse 69* 563600002J Wallula, Nedrow Farm 56 37 41 66 35 38 37 28 34 383692007A Walla Walla, Fire Station 36* 32 44 28 28 24 22 27* 31
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
0214005A Clarkston, STP 142 10/1 122 8/20 37*0340003J Kennewick VSC 165 3/30 136 9/25 203316004A Colville, County Courthouse 305 1/16 153 2/21 563600002J Wallula, Nedrow Farm 210 7/3 160 6/21 383692007A Walla Walla, Fire Station 155 9/25 105 8/26 31
* Average based on less than 12 months of data.
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
0214005A Clarkston, STP Jan-Dec 1/6 54 890340003J Kennewick VSC Jan-Dec 1/1 313 863316004A Colville, County Courthouse Jan-Dec 1/6 52 853600002J Wallula, Nedrow Farm Jan-Dec 1/6 60 983692007A Walla Walla, Fire Station Jan-Dec 1/6 60 98
Eastern Area
22 1997 Air Quality Data Summary
Frequency of PM10 (µg/m3) Levels Exceeding the Standard During 1997
(# Days Exceeding Level)
≥≥150 ≥≥200 ≥≥260 ≥≥375 ≥≥500Station Location <200 <260 <375 <500 <750
0340003J Kennewick VSC 1 0 0 0 03316004A Colville, County Courthouse 1 0 1 0 03600002J Wallula, Nedrow Farm 1 1 0 0 03692007A Walla Walla, Fire Station 1 0 0 0 0
Particulate Matter
0 0 0 0 0
148
86 92 96
142
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Clarkston, STP24-Hour Maximums
0214005A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0
43
37
30 3237
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Clarkston, STPAnnual Arithmetic Mean
0214005A
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Eastern Area
1997 Air Quality Data Summary 23
Particulate Matter
0 0 0 0 0 0
41
10984
165
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Kennewick, VSC24-Hour Maximums
0340003J
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0
1518
21 20
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Kennewick, VSCAnnual Arithmetic Mean
0340003J
PrimaryStandard 50
0 0 0 0 0 0 0 0
236
305
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Colville, County Courthouse24-Hour Maximums
3316004A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0 0 0
69
56
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Colville, County CourthouseAnnual Arithmetic Mean
3316004A
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Eastern Area
24 1997 Air Quality Data Summary
Particulate Matter
826
121 123
751
124
195173
103
148
210
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Wallula, Nedrow Farm24-Hour Maximums
3600002J
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
826 751
56
3741
66
3538 37
28
3438
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Wallula, Nedrow FarmAnnual Arithmetic Mean
3600002J
PrimaryStandard 50
0
211
73
518
67
101
6449
71
110
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Walla Walla, Fire Station24-Hour Maximums
3692007A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
518
0
3632
44
28 2824 22
2731
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Walla Walla, Fire StationAnnual Arithmetic Mean
3692007A
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Northwest Area
1997 Air Quality Data Summary 25
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
3706005C Bellingham, School Dist. 18* 21 18* 16 15 16
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
3706005C Bellingham, School Dist. 48 2/6 48 12/12 16
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
3706005C Bellingham, School Dist. Jan-Dec 1/6 58 95
0 0 0 0
3452 56 60 57 48
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Bellingham, School Dist.24-Hour Maximums
3706005C
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0
1821
18 16 15 16
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Bellingham, School Dist.Annual Arithmetic Mean
3706005C
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Northwest Area
26 1997 Air Quality Data Summary
Sulfur Dioxide
Sulfur Dioxide for 1997
1-Hour Maximum 3-Hr Max 24-Hr Max # 24-Hour#1-Hr #3-Hr Annual
Station Location 1st Date 2nd Date >.40 Conc Date >.50 Conc Date >.10 >.14 Mean
2900001C Anacortes, Texaco South .275 1/15 .187 1/25 0 .182 1/15 0 .093 1/25 0 0 .0042900004C March Pt., Kiesser .150 7/20 .145 6/13 0 .102 6/15 0 .043 6/15 0 0 .0073706069C Bellingham, Chestnut St. .047 8/11 .041 7/20 0 .032 7/20 0 .013 12/8 0 0 .005
Sulfur Dioxide for 1997
Period % ValidStation Location of Record # Hours # Days Data
2900001C Anacortes, Texaco South Jan-Dec 8,451 352 962900004C March Pt., Kiesser Jan-Dec 8,426 351 963706069C Bellingham, Chestnut St. Jan-Dec 6,004 250 69
0.19
0.52
0.316
0.204 0.208 0.2110.18 0.178
0.139
0.275
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Anacortes, Texaco South1-Hour Maximum
2900001C
State Standard 0.4 ppm
0
1
0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
Anacortes, Texaco SouthNumber of Exceedances
2900001C
Northwest Area
1997 Air Quality Data Summary 27
Sulfur Dioxide
0.33
0.21 0.211
0.169 0.175
0.131
0.213
0.123 0.1160.15
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
March Point, Kiesser1-Hour Maximum
2900004C
State Standard 0.4 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
March Point, KiesserNumber of Exceedances
2900004C
No Exceedances
0.77
0.24
0.098
0.297
0.195
0.109
0.198
0.055 0.05 0.047
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Bellingham, Chestnut St.1-Hour Maximum
3706069C
State Standard 0.4 ppm
2
0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
Bellingham, Chestnut StNumber of Exceedances
3706069C
Northwest Area
28 1997 Air Quality Data Summary
Ozone
Ozone (ppm) for 1997 (8-Hour)
8-Hour Maximums1st High 4th High
Station Location Conc Date Conc Date
3700007A Whatcom Co., Custer FCC Bldg. 0.058 5/3 0.0475 6/9
Ozone (ppm) for 1997 (1-Hour)
1-Hour Maximums1st High 2nd High 2nd Day High*
# Hrs ExceedanceStation Location Conc Date Conc Date Conc Date >.124 Days
3700007A Whatcom Co., Custer FCC Bldg. .074 5/14 .070 5/13 .070 5/13 0 0
*2nd Day High - Second day with the highest 1-hour average.
Ozone for 1997
Period % ValidStation Location of Record # Hours # Days Data
3700007A Whatcom Co., Custer FCC Bldg. Apr-Oct 5,046 214 98
0
0.080.083 0.082
0.072
0.0810.087
0.081 0.080.074
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Whatcom Co., Custer FCC Building1-Hour Maximums
3700006A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Whatcom Co., Custer FCC BuildingNumber of Exceedances
3700006A
No Exceedances
Puget Sound Area
1997 Air Quality Data Summary 29
Total Suspended Particulates
Total Suspended Particulates (µg/m3) for 1997
1st High 2nd High AnnualGeo.
Station Location Conc Date Conc Date Mean
1776K71B Seattle, Harbor Island 190 1/16 172 1/16 47.5
Frequency of TSP (µg/m3) LevelsExceeding the State Standard During 1997
(# Days Exceeding Level)
≥≥150 ≥≥200 ≥≥260 ≥≥375 ≥≥500Station Location <200 <260 <375 <500 <750
1776K71B Seattle, Harbor Island 2 0 0 0 0
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
1708004A Bellevue, Scan Design 26 26 21 23 23 20 18 16 16 171740K73B Kent, James and Central 37* 34 30 32 33 28 25 23 23 231744K74B Lake Forest Park, City Hall 31* 27 28 26 28 20 20 21 191776K55B Seattle, Duwamish 39 39 36 37 38 35 28 28 27 311776K60B Seattle, Harbor Island 37 40 35 35 34 33 27 26 24 291776K61B Seattle, South Park 31 30 28 27 29 26 22 21 19 211800B05B Kitsap Co., Meadowdale 32* 23 23 20 20 17 171868B06B Poulsbo, Lions Park 23* 15 15 14 142700P18B Puyallup, South Hill 38* 29 24 20 19 23 202782P01B Tacoma, Fire Station #12 42 39 34 36 36 33 27 27 25 272782P16B Tacoma, 54th Ave. NE 35 33 29 30 35 26 23 18 18 202782P17B Tacoma, Alexander Ave. 38 36 31 29 31 28 23 26 23 273124S04B Everett, Hoyt Ave. 27* 24 25 24 23 19 17 16 173146S08B Lynnwood, 59th Place 22* 16 15 163148S07B Marysville, Jr. High School 34* 26 27 21 22 19 19
*Average based on less than 12 months of data.
Puget Sound Area
30 1997 Air Quality Data Summary
Particulate Matter
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
1708004A Bellevue, Scan Design 54 1/16 46 12/6 171740K73B Kent, James and Central 96 1/15 74 2/10 231744K74B Lake Forest Park, City Hall 89 1/14 78 1/16 191776K55B Seattle, Duwamish 137 1/16 115 1/15 311776K60B Seattle, Harbor Island 122 1/16 102 12/12 291776K61B Seattle, South Park 69 12/12 68 1/16 211800B05B Kitsap Co., Meadowdale 49 12/6 48 1/16 171868B06B Poulsbo, Lions Park 36 12/6 35 1/16 142700P18B Puyallup, South Hill 73 1/16 61 12/12 202782P01B Tacoma, Fire Station #12 117 1/16 97 1/15 272782P16B Tacoma, 54th Ave. NE 67 12/12 46 11/12 202782P17B Tacoma, Alexander Ave. 102 1/16 82 12/12 273124S04B Everett, Hoyt Ave. 37 12/6 34 2/9 173146S08B Lynnwood, 59th Place 54 12/6 47 11/12 163148S07B Marysville, Jr. High School 84 1/14 63 11/14 19
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
1708004A Bellevue, Scan Design Jan-Dec 1/6 60 981740K73B Kent, James and Central Jan-Dec 1/3 246 1001744K74B Lake Forest Park, City Hall Jan-Dec 1/2 161 881776K55B Seattle, Duwamish Jan-Dec 1/3 246 1001776K60B Seattle, Harbor Island Jan-Dec 1/6 60 981776K61B Seattle, South Park Jan-Dec 1/6 60 981800B05B Kitsap Co., Meadowdale Jan-Dec 1/6 60 981868B06B Poulsbo, Lions Park Jan-Dec 1/6 57 982700P18B Puyallup, South Hill Jan-Dec 1/6 61 1002782P01B Tacoma, Fire Station #12 Jan-Dec 1/3 251 1002782P16B Tacoma, 54th Ave. NE Jan-Dec 1/6 60 982782P17B Tacoma, Alexander Ave. Jan-Dec 1/3 117 973124S04B Everett, Hoyt Ave. Jan-Dec 1/6 61 1003146S08B Lynnwood, 59th Place Jan-Dec 1/6 61 1003148S07B Marysville, Jr. High School Jan-Dec 1/3 153 100
Puget Sound Area
1997 Air Quality Data Summary 31
Particulate Matter
117
208
6482
6347 45 47 39
54
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Bellevue, Scan Design24-Hour Maximums
1708004A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
26 2621 23 23
20 18 16 16 17
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Bellevue, Scan DesignAnnual Arithmetic Mean
1708004A
PrimaryStandard 50
98
127103
146
85 9271 75 70
96
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Kent, James and Central24-Hour Maximums
1740K73B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
3734
30 32 3328
25 23 23 23
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Kent, James and CentralAnnual Arithmetic Mean
1740K73B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
32 1997 Air Quality Data Summary
Particulate Matter
0
88103
135
7089
7487 95 89
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Lake Forest Park, City Hall24-Hour Maximums
1744K74B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0
3127 28 26 28
20 20 21 19
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Lake Forest Park, City HallAnnual Arithmetic Mean
1744K74B
PrimaryStandard 50
178
147134 143
131 126
91
123
88
137
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Seattle, Duwamish24-Hour Maximums
1776K55B
1st Day Maximum
2nd Day Maximum
39 3936 37 38
35
28 28 2731
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Seattle, DuwamishAnnual Arithmetic Mean
1776K55B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
1997 Air Quality Data Summary 33
Particulate Matter
89
141
100116
7993
6077
56
122
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Seattle, Harbor Island24-Hour Maximums
1776K60B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
3740
35 35 34 33
27 26 2429
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Seattle, Harbor IslandAnnual Arithmetic Mean
1776K60B
PrimaryStandard 50
90108 108
8976 81
5575
5169
89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Seattle, South Park24-Hour Maximums
1776K61B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
31 30 28 27 2926
22 21 19 21
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Seattle, South ParkAnnual Arithmetic Mean
1776K61B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
34 1997 Air Quality Data Summary
Particulate Matter
0 0 0
48
7761 51
73
41 49
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Kitsap Co., Meadowdale24-Hour Maximums
1800B05B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0
32
23 2320 20
17 17
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Kitsap Co., MeadowdaleAnnual Arithmetic Mean
1800B05B
PrimaryStandard 50
0 0 0 0 0
40 3245 34 36
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Poulsbo, Lions Park24-Hour Maximums
1868B06B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0
23
15 15 14 14
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Poulsbo, Lions ParkAnnual Arithmetic Mean
1868B06B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
1997 Air Quality Data Summary 35
Particulate Matter
0 0 0
6784
68 6288
65 73
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Puyallup, South Hill24-Hour Maximums
2700P18B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0
38
2924
20 1923
20
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Puyallup, South HillAnnual Arithmetic Mean
2700P18B
PrimaryStandard 50
184
141
186
130 119 120
79
116
75
117
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Tacoma, Fire Station #1224-Hour Maximums
2782P01B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
4339
34 36 3633
27 27 25 27
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Tacoma, Fire Station # 12Annual Arithmetic Mean
2782P01B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
36 1997 Air Quality Data Summary
Particulate Matter
108 9872 82
124
72 79
34 4067
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Tacoma, 54th Ave. NE24-Hour Maximums
2782P16B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
35 3329 30
35
2623
18 18 20
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Tacoma, 54th Ave. NEAnnual Arithmetic Mean
2782P16B
PrimaryStandard 50
156
124
8599
81 76 7192 82
102
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Tacoma, Alexander Ave.24-Hour Maximums
2782P17B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
38 3631 29 31
2823
2623
27
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Tacoma, Alexander Ave.Annual Arithmetic Mean
2700P17B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
1997 Air Quality Data Summary 37
Particulate Matter
0
41 50 57 5772
47 36 39 37
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Everett, Hoyt Ave.24-Hour Maximums
3124S04B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0
2724 25 24 23
19 17 16 17
88 89 90 91 90 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Everett, Hoyt Ave.Annual Arithmetic Mean
3124S04B
PrimaryStandard 50
0 0 0 0 0 0
45
86
45 54
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Lynnwood, 59th Place24-Hour Maximums
3146S08B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0
22
16 15 16
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Lynnwood, 59th PlaceAnnual Arithmetic Mean
3146S08B
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Puget Sound Area
38 1997 Air Quality Data Summary
Particulate Matter
0 0 0
7896 97 86 89 82 84
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Marysville, Jr. High School24-Hour Maximums
3148S07B
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0
34
26 27
21 2219 19
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Marysville, Jr. High SchoolAnnual Arithmetic Mean
3148S07B
PrimaryStandard 50
Lead Summary Lead Summary for 1997
Quarterly Avg. (µg/m3)Station Location 1st 2nd 3rd 4th
1776K71B Seattle, Harbor Island, Texaco .40 .44 .48 .86
Primary Standard
150
Primary Standard
50
Puget Sound Area
1997 Air Quality Data Summary 39
Carbon Monoxide Carbon Monoxide (ppm) for 1997
1-Hour Maximums 8-Hour Maximums1
1st High 2nd High 1st High 2nd High 2nd Day2
8-Hr.Station Location Conc Date Conc Date Conc Date Conc Date Conc Date Exc.
1708003A Bellevue, Sturtevants 8.8 1/15 8.5 12/11 6.6 1/15 6.5 12/11 6.5 12/11 01708005A Bellevue,NE8th & 108thNE 16.8 1/15 10.8 1/15 8.6 1/15 6.3 12/11 6.3 12/11 01776020A Seattle, Zanadu Comics 9.1 10/23 9.1 12/3 6.5 12/6 6.3 1/16 6.3 1/16 01776026A Seattle, 4th and Pike 7.0 9/24 6.8 12/6 5.7 12/6 4.4 9/24 4.4 9/24 01776033A Seattle, Northgate Apts. 10.5 12/3 9.4 2/6 5.9 1/15 5.7 12/6 5.7 12/6 01776308A Seattle, James St. 8.4 1/15 7.5 9/24 4.9 9/24 4.6 11/12 4.6 11/12 01777001A Sea-Tac, Quick Stop 6.1 2/6 5.7 1/15 3.7 2/5 3.3 1/14 3.3 1/14 02782013A Tacoma, Pacific Ave. 13.4 1/15 9.5 12/11 7.1 1/16 6.7 12/11 6.7 12/11 03124006A Everett, Nevada Bob's 9.5 12/5 9.4 1/15 5.1 12/6 4.3 11/9 4.3 11/9 0
1. 8-hour readings are non-overlapping.2. 2nd Day High = Second day with the highest 8-hour average.
Carbon Monoxide (ppm) for 1997
Period % ValidStation Location of Record # Hours # Days Data
1708003A Bellevue, Sturtevants Jan-Dec 8,666 365 991708005A Bellevue,NE8th & 108thNE Jan-Dec 8,424 365 961776020A Seattle, Zanadu Comics Jan-Dec 8,479 365 971776026A Seattle, 4th and Pike Jan-Dec 8,450 365 961776033A Seattle, Northgate Apts. Jan-Dec 8,708 364 991776308A Seattle, James St. Jan-Dec 8,494 365 971777001A Sea-Tac, Quick Stop Jan-Mar 1,660 70 992782013A Tacoma, Pacific Ave. Jan-Dec 8,724 365 993124006A Everett, Nevada Bob's Jan-Dec 8,640 365 99
Puget Sound Area
40 1997 Air Quality Data Summary
Carbon Monoxide
10
11
6.5
7.58.1
5
7.66.9
4.7
6.6
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Bellevue, Sturtevants8-Hour Maximums
1708003A
PrimaryStandard 9.5
1
2
0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Bellevue, SturtevantsNumber of Days with 8-Hour Exceedances
1708003A
0 0 0 0 0 0
9.39.7
5.7
8.6
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Bellevue, 8th & 108th8-Hour Maximums
1708005A
PrimaryStandard 9.5
0 0 0 0 0 0 0
1
0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Bellevue, 8th & 108thNumber of Days with 8-Hour Exceedances
1708005A
Puget Sound Area
1997 Air Quality Data Summary 41
Carbon Monoxide
0 0
7.8 7.9
12.9
7
8.2 8.18.7
6.5
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Seattle, Zanadu8-Hour Maximums
1776020A
PrimaryStandard 9.5
0 0 0 0
1
0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Seattle, ZanaduNumber of Days with 8-Hour Exceedances
1776020A
8 8
6.3 6.56.9
5.9
6.8
5.2
6.7
5.7
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Seattle, 4th & Pike8-Hour Maximums
1776026A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Seattle, 4th & PikeNumber of Days With 8-Hour Exceedances
1776026A
No Exceedances
Puget Sound Area
42 1997 Air Quality Data Summary
Carbon Monoxide
10
9
8.1
8.98.4
6.3
7.1
6.1
4.9
5.9
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Seattle, Northgate Apts.8-Hour Maximums
1776033A
PrimaryStandard 9.5
2
0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Seattle, Northgate Apts.Number of Days with 8-Hour Exceedances
1776033A
8 8
7
8.78
5.9 6.1
4.1
8.7
4.9
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Seattle, James St.8-Hour Maximums
1776308A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Seattle, James St.Number of Days With 8-Hour Exceedances
1776308A
No Exceedances
Puget Sound Area
1997 Air Quality Data Summary 43
Carbon Monoxide
0 0 0 0 0 0 0 0
5.4
3.7
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Sea-Tac, Quick Stop8-Hour Maximums
1777001A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Sea-Tac, Quick StopNumber of Days With 8-Hour Exceedances
1777001A
No Exceedances
12
11
8.1
9.69.3
7.87.5
6.97.3 7.1
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Tacoma, Pacific Ave.8-Hour Maximums
2782013A
PrimaryStandard 9.5
4
2
0
1
0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Tacoma, Pacific Ave.Number of Days With 8-Hour Exceedances
2782013A
Puget Sound Area
44 1997 Air Quality Data Summary
Carbon Monoxide
11 11
10 10.2
9
6.7 76.5
5.2 5.1
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Everett, Nevada Bob's8-Hour Maximums
3124006A
PrimaryStandard 9.5
8
3
2
1
0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Everett, Nevada Bob'sNumber of Days With 8-Hour Exceedances
3124006A
Puget Sound Area
1997 Air Quality Data Summary 45
Sulfur Dioxide Sulfur Dioxide for 1997
1-Hour Maximum 3-Hr Max 24-Hr Max # 24-Hour#1-Hr #3-Hr Annual
Station Location 1st Date 2nd Date >.40 Conc Date >.50 Conc Date >.10 >.14 Mean
1776K55B Seattle, Duwamish .040 5/19 .039 4/16 0 .035 4/16 0 .015 4/25 0 0 .0052782P16B Tacoma, 54th Ave NE .103 1/14 .093 12/4 0 .073 1/14 0 .031 12/12 0 0 .0062782P17B Tacoma, Alexander Ave .114 4/12 .107 4/12 0 .080 4/12 0 .018 2/6 0 0 .0063124S04B Everett, Hoyt Ave .058 5/11 .043 5/11 0 .029 5/11 0 .014 5/11 0 0 .003
Sulfur Dioxide for 1997
Period % ValidStation Location of Record # Hours # Days Data
1776K55B Seattle, Duwamish Jan-Dec 8,504 354 982782P16B Tacoma, 54th Ave NE Jan-Dec 8,663 361 992782P17B Tacoma, Alexander Ave Jan-Dec 8,515 355 973124S04B Everett, Hoyt Ave Jan-Dec 8,467 353 97
0.13 0.130.109
0.158
0.0890.069 0.074
0.0990.067
0.04
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Seattle, Duwamish1-Hour Maximum
1776K55B
State Standard 0.4 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
Seattle, DuwamishNumber of Exceedances
1776K55B
No Exceedances
Puget Sound Area
46 1997 Air Quality Data Summary
Sulfur Dioxide
0.140.16
0.107 0.0950.111 0.097
0.235
0.0980.122
0.103
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Tacoma, 54th Ave NE1-Hour Maximum
2782P16B
State Standard 0.4 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
Tacoma, 54th Ave NENumber of Exceedances
2782P16B
No Exceedances
0.1 0.10.085
0.110.093 0.081
0.10.072 0.075
0.114
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Tacoma, Alexander Ave1-Hour Maximum
2782P17B
State Standard 0.4 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
Tacoma, Alexander AveNumber of Exceedances
2782P17B
No Exceedances
Puget Sound Area
1997 Air Quality Data Summary 47
Sulfur Dioxide
0
0.04
0.134
0.0830.053
0.068
0.738
0.101 0.0880.058
88 89 90 91 92 93 94 95 96 97
Year
0
0.2
0.4
0.6
0.8
1
0.4
Co
nce
ntr
atio
n (
pp
m)
Everett, Hoyt Ave1-Hour Maximum
3124S04B
State Standard 0.4 ppm
0 0 0 0 0 0
1
0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Exc
eed
ance
s
Everett, Hoyt AveNumber of Exceedances
3124SO4B
Nitrogen Dioxide Nitrogen Dioxide for 1997
AnnualStation Location Max. 1-Hr Date Max. 24-Hr Date Avg.
1700004A King Co., Enumclaw FS#3 .049 10/15 .022 9/24 .0061776029A Seattle, Beacon Hill .075 9/24 .045 9/24 .019
Nitrogen Dioxide for 1997
Period % ValidStation Location of Record # Hours # Days Data
1700004A King Co., Enumclaw FS#3 Jan-Dec 5,532 231 761776029A Seattle, Beacon Hill Jan-Dec 7,963 332 91
Puget Sound Area
48 1997 Air Quality Data Summary
Nitrogen Dioxide
0 0 0 0 0 0 0 0
0.0080.006
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.05
Co
nce
ntr
atio
n (
pp
m)
King Co., Enumclaw FS #3Annual Average
1700004A
Primary Standard .053 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
King Co., Enumclaw FS #3Number of Exceedances
1700004A
No Exceedances
0 0 0 0 0 0 0
0.019 0.02 0.019
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.05
Co
nce
ntr
atio
n (
pp
m)
Seattle, Beacon HillAnnual Average
1776029A
Primary Standard .053 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Seattle, Beacon HillNumber of Exceedances
1776029
No Exceedances
Puget Sound Area
1997 Air Quality Data Summary 49
Ozone Ozone (ppm) for 1997 (8-Hour)
8-Hour Maximums1st High 4th High
Station Location Conc Date Conc Date
1700002A King Co., Lk. Sammamish St. Pk 0.063 7/3 0.049 5/101700004A King Co., Enumclaw FS#3 0.072 7/19 0.059 5/111700007A King Co., Enumclaw 0.078 7/19 0.064 5/121776029A Seattle, Beacon Hill 0.044 5/3 0.042 4/162700007A Pierce Co., Pack Forest 0.064 5/11 0.059 5/102700016A Pierce County, Rainier #2 0.069 5/12 0.060 4/173100002A Snohomish Co., Getchell 0.053 5/12 0.047 7/4
Ozone (ppm) for 1997 (1-Hour)
1-Hour Maximums1st High 2nd High 2nd Day High*
# Hrs ExceedanceStation Location Conc Date Conc Date Conc Date >.124 Days
1700002A King Co., Lk. Sammamish St. Pk .096 7/4 .088 7/4 .072 7/20 0 01700004A King Co., Enumclaw FS#3 .094 7/20 .090 7/20 .086 7/4 0 01700007A King Co., Enumclaw .107 7/20 .104 7/20 .095 7/4 0 01776029A Seattle, Beacon Hill .060 8/31 .059 9/1 .059 9/1 0 02700007A Pierce Co., Pack Forest .086 5/11 .083 5/12 .083 5/12 0 02700016A Pierce Co., Rainier #2 .080 5/12 .076 5/12 .074 7/28 0 03100002A Snohomish Co., Getchell .070 7/4 .070 8/14 .070 8/14 0 0
*2nd Day High - Second day with the highest 1-hour average.
Ozone for 1997
Period % ValidStation Location of Record # Hours # Days Data
1700002A King Co., Lk. Sammamish St. Pk Apr-Oct 5,052 214 981700004A King Co., Enumclaw FS#3 Apr-Oct 5,070 214 991700007A King Co., Enumclaw Apr-Oct 5,073 214 991776029A Seattle, Beacon Hill Apr-Oct 5,032 214 982700007A Pierce Co., Pack Forest Apr-Oct 4,974 211 972700016A Pierce Co., Rainier #2 Jan-Feb, Apr-Dec 6,033 268 693100002A Snohomish Co., Getchell Apr-Oct 5,040 214 98
Puget Sound Area
50 1997 Air Quality Data Summary
Ozone
0.14
0.09
0.126
0.109
0.0940.098
0.107
0.091
0.1010.096
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
King Co., Lake Sammamish1-Hour Maximums
1700002A
Primary Standard 0.125 ppm
1
0
1
0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
King Co., Lake SammamishNumber of Exceedances
1700002A
0 0 0 0 0 0 0 0
0.108
0.094
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
King Co., Enumclaw FS#31-Hour Maximums
1700004A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
King Co., Enumclaw FS#3Number of Exceedances
1700004A
No Exceedances
Puget Sound Area
1997 Air Quality Data Summary 51
Ozone
0.11
0.1
0.149
0.1120.108
0.103
0.151
0.109
0.121
0.107
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
King Co., Enumclaw1-Hour Maximums
1700007A
Primary Standard 0.125 ppm
0 0
3
0 0 0
2
0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
King Co., EnumclawNumber of Exceedances
1700007A
0 0 0 0 0 0 0 0 0
0.06
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Seattle, Beacon Hill1-Hour Maximums
1776029A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Seattle, Beacon HillNumber of Exceedances
1776029A
No Exceedances
Puget Sound Area
52 1997 Air Quality Data Summary
Ozone
0.11
0.1
0.13
0.0990.103 0.103
0.128
0.0930.098
0.086
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Pierce Co., Pack Forest1-Hour Maximums
2700007A
Primary Standard 0.125 ppm
0 0
2
0 0 0
1
0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Pierce Co., Pack ForestNumber of Exceedances
2700007A
0 0 0 0 0 0 0 0
0.093
0.08
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Pierce Co., Rainier #21-Hour Maximums
2700016A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Pierce Co., Rainier #2Number of Exceedances
2700016A
No Exceedances
Puget Sound Area
1997 Air Quality Data Summary 53
Ozone
0 0 0 0 0
0.093
0.082 0.0810.084
0.07
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Snohomish Co., Getchell1-Hour Maximums
3100002A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Snohomish Co., GetchellNumber of Exceedances
3100002A
No Exceedances
Southwest Area
54 1997 Air Quality Data Summary
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
0688012D Vancouver, Moose Lodge 24* 25 23 22 22 17 17 190688014D Vancouver, Wa. Elem. School 37* 22 22 20 16 16 180844004D Longview, City Shops 32* 30 26 27 24 25 22 22 20 23*
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
0688012D Vancouver, Moose Lodge 42 12/12 41 12/6 190688014D Vancouver, Wa. Elem. School 42 2/9 40 1/16 180844004D Longview, City Shops 53 11/12 46 1/28 23*
* Average based on less than 12 months of data.
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
0688012D Vancouver, Moose Lodge Jan-Dec 1/6 59 970688014D Vancouver, Wa. Elem. School Jan-Dec 1/6 61 1000844004D Longview, City Shops* Jan-Apr
Jun-Dec1/6 50 97
* station temporarily discontinued for construction 4/17 – 6/14
Southwest Area
1997 Air Quality Data Summary 55
Particulate Matter
0 0
7295
75 8566
4164
42
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Vancouver, Moose Lodge24-Hour Maximums
0688012D
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0
24 25 23 22 2217 17 19
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Vancouver, Moose LodgeAnnual Arithmetic Mean
0688012D
PrimaryStandard 50
0 0 0
8764
8366
43 47 42
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Vancouver, Wa. Elem. School24-Hour Maximums
0688014D
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0
37
22 22 2016 16 18
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Vancouver, Wa. Elem. SchoolAnnual Arithmetic Mean
0688014D
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Southwest Area
56 1997 Air Quality Data Summary
Particulate Matter
97
132
78
111
46
8465 63 60 53
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Longview, City Shops24-Hour Maximums
0844004D
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
32 3026 27
24 2522 22 20
23
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Longview, City ShopsAnnual Arithmetic Mean
0844004D
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Southwest Area
1997 Air Quality Data Summary 57
Carbon Monoxide
Carbon Monoxide (ppm) for 1997
1-Hour Maximums 8-Hour Maximums1
1st High 2nd High 1st High 2nd High 2nd Day2
8-Hr.Station Location Conc Date Conc Date Conc Date Conc Date Conc Date Exc.
0600003A Clark Co., Hazel Dell 6.4 12/5 5.9 1/15 4.6 12/11 4.4 12/10 4.4 12/10 00688011A Vancouver, Atlas and Cox 11.5 2/24 10.9 1/14 6.2 1/14 5.5 11/1 5.5 11/1 0
1. 8-hour readings are non-overlapping.2. 2nd Day High = Second day with the highest 8-hour average.
Carbon Monoxide (ppm) for 1997
Period % ValidStation Location of Record # Hours # Days Data
0600003A Clark Co., Hazel Dell Jan-Dec 8,657 365 990688011A Vancouver, Atlas and Cox Jan-Dec 8,393 365 96
0 0 0 0 0 0 0
5 4.8 4.6
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Clark Co., Hazeldell8-Hour Maximums
0600003A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Clark Co., HazeldellNumber of Days with 8-Hour Exceedances
0600003A
No Exceedances
Clark Co., Hazel Dell Clark Co., Hazel Dell
Southwest Area
58 1997 Air Quality Data Summary
Carbon Monoxide
11
10
12.6 12.6
8.17.8
9.5
6.8 6.86.2
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Vancouver, Atlas & Cox8-Hour Maximums
0688011A
PrimaryStandard 9.5
32 2 2
0 0
1
0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Vancouver, Atlas & CoxNumber of Days with 8-Hour Exceedances
0688011A
Nitrogen Dioxide
Nitrogen Dioxide for 1997
AnnualStation Location Max. 1-Hr Date Max. 24-Hr Date Avg.
0600002A Vancouver, Mt. View Sch. .051 9/22 .028 9/24 .0120800003A Cowlitz Co.,Castle Rock .026 9/23 .015 10/22 .0050800004A Cowlitz Co.,Woodland .035 9/9 .022 9/24 .008
Nitrogen Dioxide for 1997
Period % ValidStation Location of Record # Hours # Days Data
0600002A Vancouver, Mt. View Sch. Jan-Dec 5,932 247 900800003A Cowlitz Co.,Castle Rock Apr-Oct 4,551 190 930800004A Cowlitz Co.,Woodland Jul-Nov 2,275 95 91
Southwest Area
1997 Air Quality Data Summary 59
Nitrogen Dioxide
0 0 0 0 0 0 0 0
0.017
0.012
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.05
Co
nce
ntr
atio
n (
pp
m)
Vancouver, Mt. View SchoolAnnual Average
0600002A
Primary Standard .053 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Vancouver, Mt. View SchoolNumber of Exceedances
0600002A
No Exceedances
0 0 0 0 0 0 0 0 0
0.005
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.05
Co
nce
ntr
atio
n (
pp
m)
Cowlitz Co., Castle RockAnnual Average
0800003A
Primary Standard .053 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Cowlitz Co., Castle RockNumber of Exceedances
0800003A
No Exceedances
Southwest Area
60 1997 Air Quality Data Summary
Nitrogen Dioxide
0 0 0 0 0 0 0 0 0
0.008
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.05
Co
nce
ntr
atio
n (
pp
m)
Cowlitz Co., WoodlandAnnual Average
0800004A
Primary Standard .053 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Cowlitz Co., WoodlandNumber of Exceedances
0800004A
No Exceedances
Ozone
Ozone (ppm) for 1997 (8-Hour)
8-Hour Maximums1st High 4th High
Station Location Conc Date Conc Date
0600002A Vancouver, Mt. View High Sch. 0.060 7/3 0.050 5/70600005A Clark Co., Hockinson 0.059 5/11 0.056 7/40800003A Cowlitz Co., Castle Rock 0.071 5/11 0.051 5/80800004A Cowlitz Co., Woodland 0.057 7/3 0.051 7/32100006A Lewis County, Packwood Lake 0.048 8/11 0.043 8/10
Southwest Area
1997 Air Quality Data Summary 61
Ozone
Ozone (ppm) for 1997 (1-Hour)
1-Hour Maximums1st High 2nd High 2nd Day High*
# Hrs ExceedanceStation Location Conc Date Conc Date Conc Date >.124 Days
0600002A Vancouver, Mt. View H.S. .077 7/4 .077 7/20 .077 7/20 0 00600005A Clark Co., Hockinson .075 5/12 .075 7/4 .075 7/4 0 00800003A Cowlitz Co, Castle Rock .078 5/11 .076 5/11 .070 5/11 0 00800004A Cowlitz Co., Woodland .079 7/4 .077 5/11 .077 5/11 0 02100006A Lewis Co., Packwood Lk .061 8/11 .059 8/6 .059 8/6 0 0
*2nd Day High - Second day with the highest 1-hour average.
Ozone for 1997
Period % ValidStation Location of Record # Hours # Days Data
0600002A Vancouver, Mt. View H.S. Apr-Oct 5,020 213 980600005A Clark Co., Hockinson Apr-Oct 5,048 213 980800003A Cowlitz Co, Castle Rock Apr-Oct 5,059 214 990800004A Cowlitz Co., Woodland Apr-Oct 4,887 209 952100006A Lewis Co., Packwood Lake Jun-Oct 3,257 138 98
0.12
0.1
0.124
0.102
0.121
0.112
0.13
0.1170.112
0.077
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Vancouver, Mt. View H.S.1-Hour Maximums
0600002A
Primary Standard 0.125 ppm
0 0 0 0 0 0
1
0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Vancouver, Mt. View H.S.Number of Exceedances
0600002A
Southwest Area
62 1997 Air Quality Data Summary
Ozone
0 0 0 0 0 0 0 0 0
0.075
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Clark Co., Hockinson1-Hour Maximums
0600005A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Clark Co., HockinsonNumber of Exceedances
0600005A
No Exceedances
0 0 0 0 0 0 0 0
0.046
0.078
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Cowlitz Co., Castlerock1-Hour Maximums
0800003A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Cowlitz Co., CastlerockNumber of Exceedances
0800003A
No Exceedances
Cowlitz Co., Castle Rock Cowlitz Co., Castle Rock
Southwest Area
1997 Air Quality Data Summary 63
Ozone
0 0 0 0 0 0 0 0 0
0.079
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Cowlitz Co., Woodland1-Hour Maximums
0800004A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Cowlitz Co., WoodlandNumber of Exceedances
0800004A
No Exceedances
0 0 0 0 0 0 0
0.0610.068
0.061
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Packwood Lake1-Hour Maximums
2100006A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Packwood LakeNumber of Exceedances
2100006A
No Exceedances
Spokane Area
64 1997 Air Quality Data Summary
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
3200020E Spokane, Rockwood 26* 24 23 253214999E Cheney, Turnbull Slough 27* 17 18 17 11 13 133250004E Spokane, Millwood 52 43 45 41* 35 39 34 28 31 263278009E Spokane, Crown Z. 52 45 48 46* 45 43 38 32 32 293278040A Spokane, Auto Glass 48 41 39 37 39 43 34 28 32 293278046A Spokane, Monroe Street 20* 23 24
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
3200020E Spokane, Rockwood 95 8/14 79 8/11 253214999E Cheney, Turnbull Slough 46 8/14 37 9/25 133250004E Spokane, Millwood 57 1/16 56 8/20 263278009E Spokane, Crown Z. 91 1/15 77 1/14 293278040A Spokane, Auto Glass 53 8/20 48 1/16 293278046A Spokane, Monroe Street 53 2/9 51 11/15 24
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
3200020E Spokane, Rockwood Jan-Dec 1/1 341 933214999E Cheney, Turnbull Slough Jan-Dec 1/6 61 1003250004E Spokane, Millwood Jan-Dec 1/6 59 973278009E Spokane, Crown Z. Jan-Dec 1/1 341 933278040A Spokane, Auto Glass Jan-Dec 1/6 58 953278046A Spokane, Monroe Street Jan-Dec 1/6 60 98
Spokane Area
1997 Air Quality Data Summary 65
Particulate Matter
0 0 0 0 0 0
6781
11995
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Spokane Co., Rockwood24-Hour Maximums
3200020E
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0
26 24 23 25
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Spokane Co., RockwoodAnnual Arithmetic Mean
3200020E
PrimaryStandard 50
0 0 0
483
146
490
69
3447 46
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Cheney, Turnbull Slough24-Hour Maximums
3214999E
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0
27
17 18 17
11 13 13
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Cheney, Turnbull SloughAnnual Arithmetic Mean
3214999E
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Spokane Area
66 1997 Air Quality Data Summary
Particulate Matter
393
453
180
305
93
176
82 85109
57
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Spokane, Millwood24-Hour Maximums
3250004E
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
52
43 4541
3539
34
2831
26
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Spokane, MillwoodAnnual Arithmetic Mean
3250004E
PrimaryStandard 50
186
487
342 351
803
300
129 121
186
91
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Spokane, Crown Z24-Hour Maximums
3278009E
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
803
52
4548 46 45 43
38
32 3229
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Spokane, Crown ZAnnual Arithmetic Mean
3278009E
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Spokane Area
1997 Air Quality Data Summary 67
Particulate Matter
365
300
165
94
126
297
8774
90
53
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Spokane, Auto Glass24-Hour Maximums
3278040A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
48
41 39 37 3943
34
2832
29
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Spokane, Auto GlassAnnual Arithmetic Mean
3278040A
PrimaryStandard 50
0 0 0 0 0 0 0
58 62 53
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Spokane, Monroe Street24-Hour Maximums
3278046A
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0 0
2023 24
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Spokane, Monroe StreetAnnual Arithmetic Mean
3278046A
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Spokane Area
68 1997 Air Quality Data Summary
Carbon Monoxide
Carbon Monoxide (ppm) for 1997
1-Hour Maximums 8-Hour Maximums1
1st High 2nd High 1st High 2nd High 2nd Day2
8-Hr.Station Location Conc Date Conc Date Conc Date Conc Date Conc Date Exc.
3278039A Spokane, Hamilton St. 15.9 11/14 13.6 11/14 6.3 11/14 6.2 11/14 5.8 12/1 03278043A Spokane, Backdoor Tavern 12.9 6/17 7.9 11/14 5.7 12/1 4.3 12/4 4.3 12/4 03278045A Spokane, Spokane Club 7.9 11/14 7.7 11/13 4.4 1/29 4.0 2/14 4.0 2/14 03278047A Spokane, 3rd & Washington 11.6 11/14 8.3 11/11 5.0 10/16 4.8 11/11 4.8 11/11 03278048A Spokane, 3rd & Washington So. 16.1 11/14 12.2 11/14 6.7 11/14 6.4 11/11 6.4 11/11 0
1. 8-hour readings are non-overlapping.2. 2nd Day High = Second day with the highest 8-hour average.
Carbon Monoxide (ppm) for 1997
Period % ValidStation Location of Record # Hours # Days Data
3278039A Spokane, Hamilton St. Jan-Dec 8,650 365 993278043A Spokane, Backdoor Tavern Jan-Dec 8,690 365 993278045A Spokane, Spokane Club Jan-Dec 8,584 365 983278047A Spokane, 3rd & Washington Jan-Dec 8,593 365 993278048A Spokane, 3rd & Washington So. Jan-Dec 8,433 365 98
14 14 14
12.4
11.2
10.1
8.28.8
10
6.3
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Spokane, Hamilton St.8-Hour Maximums
3278039A
PrimaryStandard 9.5
34
10
6
9
2 2
0 0
1
0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Spokane, Hamilton St.Number of Days with 8-Hour Exceedances
3278039A
34
Spokane Area
1997 Air Quality Data Summary 69
Carbon Monoxide
0
7
9.89.1
7.3
8.5
76.7 6.6
5.7
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Spokane, Backdoor8-Hour Maximums
3278043A
PrimaryStandard 9.5
0 0
1
0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Spokane, BackdoorNumber of Days with 8-Hour Exceedances
3278043A
0 0
6.9
10
7.37.9
6
7.6
6.3
4.4
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Spokane, Spokane Club8-Hour Maximums
3278045A
PrimaryStandard 9.5
0 0 0
1
0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Spokane, Spokane ClubNumber of Days with 8-Hour Exceedances
3278045A
Spokane Area
70 1997 Air Quality Data Summary
Carbon Monoxide
0 0 0 0 0 0 0 0
2.7
5
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Spokane, 3rd & Washington8-Hour Maximums
3278047A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Spokane, 3rd & WashingtonNumber of Days with 8-Hour Exceedances
3278047A
No Exceedances
0 0 0 0 0 0 0 0 0
6.7
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Spokane, 3rd & Wash. Southside8-Hour Maximums
3278048A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Spokane, 3rd & Wash. SouthsideNumber of Days with 8-Hour Exceedances
3278048A
No Exceedances
Spokane, 3rd & Wash. South Side Spokane, 3rd & Wash. South Side
Spokane Area
1997 Air Quality Data Summary 71
Ozone
Ozone (ppm) for 1997 (8-Hour)
8-Hour Maximums1st High 4th High
Station Location Conc Date Conc Date
3200019A Spokane County, Green Bluff 0.0689 8/3 0.0645 5/13
Ozone (ppm) for 1997 (1-Hour)
1-Hour Maximums1st High 2nd High 2nd Day High*
# Hrs ExceedanceStation Location Conc Date Conc Date Conc Date >.124 Days
3200019A Spokane Co., Green Bluff .094 8/4 .089 8/4 .083 5/15 0 0
*2nd Day High - Second day with the highest 1-hour average.
Ozone for 1997
Period % ValidStation Location of Record # Hours # Days Data
3200019A Spokane Co., Green Bluff Apr-Oct 5,085 214 99
0 0
0.0720.077
0.088
0.080.085 0.084
0.08
0.094
88 89 90 91 92 93 94 95 96 97
Year
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
Co
nce
ntr
atio
n (
pp
m)
Spokane Co., Green Bluff1-Hour Maximums
3200019A
Primary Standard 0.125 ppm
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Spokane Co., Green BluffNumber of Exceedances
3200019A
No Exceedances
Yakima Area
72 1997 Air Quality Data Summary
Particulate Matter
PM10 Annual Arithmetic Means (µg/m3)
Station Location 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997
3978006F Sunnyside, Chief Kamiakin Elem 36* 293996008F Yakima, Garfield Elem. 51* 34 44 32 38 31 24* 35 373996009F Yakima, YVCC - Sundquist 66* 33 37 33 31 27 26* 44* 29
*Average based on less than 12 months of data.
PM10 (µg/m3) for 1997
1st High 2nd High AnnualArith.
Station Location Conc Date Conc Date Mean
3978006F Sunnyside, Chief Kamiakin Elem 64 1/10 56 8/20 293996008F Yakima, Garfield Elem. 110 2/25 95 1/10 373996009F Yakima, YVCC - Sundquist 88 1/30 86 1/22 29
PM10 for 1997
Period Samp. % ValidStation Location of Record Freq. # Samples Data
3978006F Sunnyside, Chief Kamiakin Elem Jan-Dec 1/6 58 953996008F Yakima, Garfield Elem. Jan-Dec 1/6 62 853996009F Yakima, YVCC - Sundquist Jan-Dec 1/2 174 96
Yakima Area
1997 Air Quality Data Summary 73
Particulate Matter
0 0 0 0 0 0 0 0
70 64
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Sunnyside, Chief Kamiakin24-Hour Maximums
3978006F
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0 0 0 0 0 0 0 0
36
29
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Sunnyside, Chief KamiakinAnnual Arithmetic Mean
3978006F
PrimaryStandard 50
0
131112
255
89 97 89
55
119 110
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Yakima, Garfield Elem.24-Hour Maximums
3996008F
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0
51
34
44
32
38
31
24
35 37
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Yakima, Garfield Elem.Annual Arithmetic Mean
3996008F
PrimaryStandard 50
Primary Standard
150
Primary Standard
50
Primary Standard
150
Primary Standard
50
Yakima Area
74 1997 Air Quality Data Summary
Particulate Matter
0
150132
217
137
93 10477
89 88
88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
500
150
µg
/m³
Yakima, YVCC-Sundquist24-Hour Maximums
3996009F
1st Day Maximum
2nd Day Maximum
PrimaryStandard 150
0
66
3337
33 3127 26
44
29
88 89 90 91 92 93 94 95 96 97
Year
0
20
40
60
80
100
50
µg
/m³
Yakima, YVCC-SundquistAnnual Arithmetic Mean
3996009F
PrimaryStandard 50
Carbon Monoxide Carbon Monoxide (ppm) for 1997
1-Hour Maximums 8-Hour Maximums1
1st High 2nd High 1st High 2nd High 2nd Day2
8-Hr.Station Location Conc Date Conc Date Conc Date Conc Date Conc Date Exc.
3996002A Yakima, Jade Tree 16.1 1/2 14.8 1/10 8.3 1/10 8.1 1/2 8.1 1/2 03996005A Yakima Courthouse 12.4 12/30 11.6 11/21 7.1 12/30 5.7 12/18 5.7 12/18 0
1. 8-hour readings are non-overlapping.2. 2nd Day High = Second day with the highest 8-hour average.
Carbon Monoxide (ppm) for 1997
Period % ValidStation Location of Record # Hours # Days Data
3996002A Yakima, Jade Tree Jan-May 2,723 129 883996005A Yakima Courthouse Sep-Dec 2,640 126 99
Primary Standard
150
Primary Standard
50
Yakima Area
1997 Air Quality Data Summary 75
Carbon Monoxide
10
9
7.5
11.6
9.6
8.3
9.4
7.1
12.4
8.3
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Yakima, Jade Tree8-Hour Maximums
3996002A
PrimaryStandard 9.5
1
0 0
1 1
0 0 0
1
0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Yakima, Jade TreeNumber of Days with 8-Hour Exceedances
3996002A
0 0 0 0 0 0 0 0 0
7.1
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
9.5
(p
pm
)
Yakima Courthouse8-Hour Maximums
3996005A
PrimaryStandard 9.5
0 0 0 0 0 0 0 0 0 0
88 89 90 91 92 93 94 95 96 97
Year
0
2
4
6
8
10
12
14
16
18
20
Day
s
Yakima CourthouseNumber of Days with 8-Hour Exceedances
3996005A
No Exceedances
Visibility Monitoring
76 1997 Air Quality Data Summary
Visibility Monitoring for 1997
Ecology, in cooperation with the National Park Service and the U.S. Forest Service, monitorsvisibility conditions in Washington’s Class I areas during the summer months. Class I areasare areas that are given more stringent air quality protection than other areas of the state (seemap for Class I area and monitoring locations). Although monitoring at the state-operatedsites is generally conducted from June through October, the period of most concern is July 1st
through Labor Day. This “visibility protection period” coincides with the period of heaviestvisitation to the Class I areas of the state.
As in past years, state visibility monitoring at or near Class I areas for the 1997 seasoninvolved the operation of nephelometers at sites in western Washington. Sites operated wereSouth Mountain, Paradise Visitor Center, Carbon River Ranch, Marblemount, HurricaneRidge, and Coldwater Ridge. The Coldwater Ridge site, located at the Mt. St. HelensNational Monument, is new this year. Monitoring at Coldwater Ridge did not begin untilJuly 24, 1997 and data from this site will not be reported here. Ecology added IMPROVE(Interagency Monitoring of PROtected Visual Environments) PM2.5 particulate monitors atthree of the state sites: South Mountain, Marblemount and Coldwater Ridge. PM2.5
monitoring did not begin until late July/early August and the data is not presented here.
It is interesting to note the unusually high number of impairments at Hurricane Ridge inAugust. Most of these impairments occurred over a period when six wildfires burned in theinterior of the park, one within five miles of the monitoring site. Anecdotal evidence frompark staff suggests these fires may have been responsible for the high number of impairments.
The local air authorities also monitor visibility at various non-Class I area sites in westernWashington: FCC Loomis, Beacon Hill, Yelm and Lacey MV. In addition, Ecology operatesa visibility site in the Columbia River Gorge National Scenic Area at Mt. Zion.Nephelometer data from these sites is presented here for comparison with the Class I areasites.
The National Park Service and the U.S. Forest Service monitor visibility at two Class I areasites: Tahoma Woods and Snoqualmie Pass. PM2.5 data from these two sites plus data fromBeacon Hill in Seattle were the subject of a recent source apportionment study (“WesternWashington 1996 – 1997 PM2.5 Source Apportionment Study,” Judy Chow and John Watson,June 1998). Charts summarizing the data from this study are presented on the followingpages.
Visibility Monitoring
1997 Air Quality Data Summary 77
Data from these sites is presented in the graphs on pages 78 - 82.
Visibility Data
78 1997 Air Quality Data Summary
0 1
10
21
11
0
106
44
96
0
9
1
47
00 0 0 0 0
South MountainParadise
MarblemountCarbon River Ranch
Hurricane Ridge
Site
0
20
40
60
80
100
120
Hou
rs
JuneJulyAugustSeptember
Hours of Visibility Impairment at Class I Areas - 1997
0 0 0
106
0
5
0
17
61
0 0 0
10
00 0 0 0 0
South MountainParadise
MarblemountCarbon River Ranch
Hurricane Ridge
Site
0
10
20
30
40
50
60
70
Hou
rs
JuneJulyAugustSeptember
Weekend Hours of Visibility Impairment at Class I Areas - 1997
Visibility Data
1997 Air Quality Data Summary 79
019
7
101 97
30 23
60
169
291
Sout
h M
ount
ain
Para
dise
Mar
blem
ount
Car
bon
Riv
er R
anch
Hur
rican
Rid
ge
Mt.
Zion
Lace
y M
t. Vi
ew
Yelm
Beac
on H
ill
FCC
Loo
mis
Site
0
50
100
150
200
250
300
350
Hou
rs o
f Im
pairm
ent
Comparison of Class I Area Visibility Impairment With Other Non-Class I Areas
July 1st through Labor Day, 1997
0 0 0 0 2
29
014
014
1 0
28 224 0
15
108
415
421
4 0
86 87 88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
Hou
rs
All DaysWeekends
Hours of Visibility Impairment July 1st Through LaborDay - South Mountain
Visibility Data
80 1997 Air Quality Data Summary
013
84
22 2538
12 1728
321
5
98
46
153
8497
106
65
40 3723
70
19
86 87 88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
Hou
rsAll DaysWeekends
Hours of Visibility Impairment July 1st Through LaborDay - Paradise
32
0
43 41 41
69 7691
40
1627
0
80
17
72 68
205
349
277
214
43 49
82
7
86 87 88 89 90 91 92 93 94 95 96 97
*Site moved from Newhalem to Marblemount in 1991
Year
0
100
200
300
400
Hou
rs
All DaysWeekends
Hours of Visibility Impairment July 1st Through LaborDay - Marblemount/Newhalem*
Visibility Data
1997 Air Quality Data Summary 81
139
47
412
120
6484
37
323
204
791
207
107
170
101
86 87 88 89 90 91 92 93 94 95 96 97
*Site moved from Olympic Camp to Carbon River Randy in 1994
Year
0
150
300
450
600
750
900
Hou
rsAll DaysWeekends
Hours of Visibility Impairment July 1st Through LaborDay - Carbon River Ranch/Olympic Camp*
5 0 7 216
62
8 1 7 9
47
97
86 87 88 89 90 91 92 93 94 95 96 97
Year
0
100
200
300
400
Hou
rs
All DaysWeekends
Hours of Visibility Impairment July 1st Through LaborDay - Hurricane Ridge
*Site moved from Olympic Camp to Carbon River Ranch in 1994
Visibility Data
82 1997 Air Quality Data Summary
0 1
10
21
11
0
106
44
96
0
9
1
47
00 0 0 0 0
South MountainParadise
MarblemountCarbon River Ranch
Hurricane Ridge
Site
0
20
40
60
80
100
120
Hou
rs
JuneJulyAugustSeptember
Hours of Visibil i ty Impairment at Class I Areas - 1997
Summer PM2.5 Source Contributions (Chow and Watson, 6/98)
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
Seattle Mt. Rainier Snoqualmie Pass
Site
ng
/m3
Unexplained
Sodium Nitrate
Secondary Organic Carbon
Residual Oil Combustion
Paper Mills
Motor Vehicle
Metal Processing
Marine Aerosol
Dust
Coal Combustion
Vegetative Burning
Ammonium Sulfate
Amonium Nitrate
Quality Assurance
1997 Air Quality Data Summary 83
Air Quality Program staff check the automated and manual method data received from airmonitoring sites for precision and accuracy. The following graphs show the 95 percentprobability limits for each parameter measured. The horizontal lines show the Air QualityProgram’s objectives.
4.6
-5.5
4.3
-3.5
6.2
-6
2.2
-4.6
5.4
-4
BSCat CO NO2 O3 SO2
Parameter
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 1. Summary of Automated Method Precision
6.3
-4.2
3.7
-2
3.3
-3.1
3-8 ppm 15-20 ppm 34-45 ppm
Measurement Level
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 2. Summary of Carbon Monoxide (CO) Automated Method Accuracy
Quality Assurance
84 1997 Air Quality Data Summary
15
-7.4
9.7
-7.3
7.2
-9.6
0.03-0.08 ppm 0.15-0.20 ppm 0.35-0.45 ppm
Measurement Level
-20
-10
0
10
20
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 3. Summary of Nitrogen Dioxide (NO2) Automated Method Accuracy
3.3
-4.9
1.8
-4.4
1.6
-4.3
0.03-0.08 ppm 0.15-0.20 ppm 0.34-0.45 ppm
Measurement Level
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 4. Summary of Ozone (O3) Automated Method Accuracy
10.4
-7.2
9.9
-9.2
9.8
-12.2
6.1
-15
0.03-0.08 ppm 0.15-0.20 ppm 0.35-0.45 ppm 0.80-0.90 ppm
Measurement Level
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 5. Summary of Sulfur Dioxide (SO2) Automated Method Accuracy
Quality Assurance
1997 Air Quality Data Summary 85
5.4
-11.9
6.1
-6.7
4.3
-5.8
Lead PM10 TSP
Parameter
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 6. Summary of ManualMethod Precision
7.6
-1.6
6
-4.1
100-300µg 600-1000µg
Measurement
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 7. Summary of Lead (Pb) Manual Method Accuracy
2.8
-1.1
1.2
-7.2
5.7
-3.5
PM10 Flow Rate PM10 Set Point TSP Flow Rate
Parameter
-15
-10
-5
0
5
10
15
(Obj
ectiv
e: ±
15%
)95
% P
roba
bilit
y Li
mits
(P
erce
nt)
Figure 8. Summary of Particulate Matter Manual Method Accuracy
Quality Assurance
86 1997 Air Quality Data Summary
![DDS C ,bc ]^ · 17 % cell growth DMBL 100.00 ppm DMBL 33.33 ppm DMBL 11.11 ppm control DMBL 3.70 ppm DMBL 1.23 ppm DPBL 100.00 ppm DPBL 33.33 ppm DPBL 11.11 ppm DPBL 3.70 ppmDPBL](https://static.documents.pub/doc/80x56/5e775a5ea36baa321a57d8d8/dds-c-bc-17-cell-growth-dmbl-10000-ppm-dmbl-3333-ppm-dmbl-1111-ppm-control.jpg)
