Contact EPA Pacific Southwest Air Program
Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Air Actions, California
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San Francisco Bay Area - PM2.5
December 2012: Final Rule Determining Attainment for the 2006 24-Hour PM2.5 National Ambient Air Quality Standard in the San Francisco Bay Area Nonattainment Area
December 18, 2012: Regional Administrator Jared Blumenfeld signed a final rule determining that the San Francisco Bay Area nonattainment area has attained and continues to attain the 2006 24-hour PM 2.5 National Ambient Air Quality Standard.
- Federal Register Notice: Final Rule
- Fact Sheet (PDF) (2 pp, 168K)
Proposed Determination of Attainment for the 2006 24-Hour PM2.5 National Ambient Air Quality Standard in the San Francisco Bay Area Nonattainment Area.
- Federal Register Notice: Proposed Rule
- Fact Sheet (PDF) (2 pp, 270K)