Air Quality Profile of CaliforniaAir Quality Profile of CaliforniaNational Association of Clean Air National Association of Clean Air
AgenciesAgenciesSpring Membership MeetingSpring Membership Meeting
May 17, 2010May 17, 2010
James M. GoldsteneJames M. GoldsteneExecutive OfficerExecutive Officer
California Environmental Protection Agency
AIR RESOURCES BOARD
22
California’s Air Quality HistoryCalifornia’s Air Quality History
Built on science and Built on science and technologytechnology
Significant progress Significant progress towards existing towards existing standardsstandards
Many valuable lessons Many valuable lessons learnedlearned
These lessons (and more) These lessons (and more) will help in meeting new will help in meeting new challengeschallenges
33
California’s SuccessfulCalifornia’s SuccessfulRegulatory ProgramsRegulatory Programs
44
Potential 8-Hour Ozone Nonattainment Areas Potential 8-Hour Ozone Nonattainment Areas in California under a 0.065 ppm NAAQSin California under a 0.065 ppm NAAQS
Over 95% of Over 95% of Californians live in Californians live in areas that are likely to areas that are likely to be nonattainment for be nonattainment for the new standardthe new standard
55
Air Quality is ImprovingAir Quality is Improving
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
1990
1995
2000
2005
8-H
our
Ozo
ne D
esig
n V
alue
, ppm
3-year average 1997 Standard Proposed Standard
0.085 ppm Standard
0.065 ppm Midrange Proposal
but standards are becoming more stringent
66
Diesel Risk ReductionDiesel Risk Reduction
77
Climate Protection: New Challenges Climate Protection: New Challenges and Opportunitiesand Opportunities
ARB is lead agencyARB is lead agency Requires new regulatory Requires new regulatory
approachesapproaches Fuels economic recovery Fuels economic recovery
and growthand growth Contributes to criteria Contributes to criteria
pollutant reduction effortspollutant reduction efforts
88
Climate Protection: Political Climate Protection: Political UncertaintiesUncertainties
State legislative challengesState legislative challenges
Ballot initiativesBallot initiatives
Campaign platformsCampaign platforms
Federal preemption potentialFederal preemption potential
