Bay Area Air Quality Management District
Local air pollution control agency serving alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, western portion of Solano, southern portion of Sonoma counties. Check burn-day status and local smoke and air quality advisories here during wildfire season.
California has 35 local air districts. Bay Area Air Quality Management District regulates air quality for alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, western portion of Solano, southern portion of Sonoma counties, issues burn-day decisions and posts local smoke advisories. For real-time smoke readings during a fire, pair this with the AirNow Fire and Smoke Map.
| Type | Local air district (APCD/AQMD) |
|---|---|
| Area served | Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, western portion of Solano, southern portion of Sonoma counties |
| Address | 375 Beale Street, Suite 600 San Francisco, CA 94105 |
| Phone | (415) 749-5000 |
| Counties | Alameda County Contra Costa County Marin County Napa County San Francisco County San Mateo County Santa Clara County Solano County Sonoma County |
Live smoke map (AirNow Fire and Smoke)
Free guide: wildfire smoke and the AQI
What each AQI level means and how to keep smoke out of your home.
Read the guideSources
Facts on this page come from the public source(s) below, last checked 2026-11-07. Details change; always confirm with the official source.
- https://ww2.arb.ca.gov/bay-area-air-quality-management-district
- https://ww2.arb.ca.gov/california-air-districts
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