The Bay Area Air Quality Management District (Air District) is a regional government agency. The Air District’s jurisdiction encompasses all of seven counties – Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo and Santa Clara, and portions of two other counties – southwestern Solano and southern Sonoma. The Air District’s mission is to protect and improve public health, air quality, and the global climate.
The Bay Area Air Quality Management District (Air District) is a regional government agency. The Air District’s jurisdiction encompasses all of seven counties – Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo and Santa Clara, and portions of two other counties – southwestern Solano and southern Sonoma. The Air District’s mission is to protect and improve public health, air quality, and the global climate.