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Chabot Space and Science Center
Oakland
Alameda County

Air Quality Fact

The air we breathe in the lower atmosphere is not primarily composed of oxygen. Instead it contains 78% nitrogen, 21% oxygen and less than 1% gases like argon and carbon dioxide.

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5/16/2012
Board of Directors Special Meeting

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4/18/2012 Board of Directors Meeting
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The Nine County Jurisdiction of the Air District

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

The full legal description of the jurisdictional boundaries of the Bay Area Air Quality Management District is set forth in Section 60101 of Title 17 of the California Code of Regulations.

jurisdiction map

Last Updated: 5/13/2011