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Air Quality Fact

There are three major types of air pollutants that constitute a public health concern for the Bay Area - ozoneparticulate matter and toxic air contaminants.

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Wood Burning Status

Tuesday, 2/9
(Midnight to Midnight)
Burning Allowed Image
Winter Spare the Air Suns

The Nine County Jurisdiction of the Air District

The District's jurisdiction encompasses all of seven counties - Alameda, Contra Costa, Marin, San Francisco, San Mateo, Santa Clara and Napa, and portions of two others - southwestern Solano and southern Sonoma.

jurisdiction map