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NSCAPCD-Air Quality

Air Quality District Boundaries


Legend Icon - NSCAPCD
Northern Sonoma County Air Pollution Control District (NSCAPCD)
Legend Icon - BAAQMD
Bay Area Air Quality Management District (BAAQMD)

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Description of Boundaries

Boundary Line

The NSCAPCD boundary covers the northern and coastal regions of Sonoma County, with the southern portion of the County belonging to the Bay Air Quality Management District (BAAQMD). The dividing line begins just West of Valley Ford, going North past the East end of the Occidental area. It then runs Northeast between Graton and Forestville, and cuts across the Northwest corner of the Windsor city limit. It then runs due East all the way to the East edge of Sonoma County.

Communities within the BAAQMD

Bloomfield, Cotati, El Verano, Fulton, Glen Ellen, Graton, Kenwood, Penngrove, Petaluma, Rohnert Park, Santa Rosa, Sebastopol, Sonoma, Valley Ford, Windsor.

Communities within the NSCAPCD

Annapolis, Bodega, Bodega Bay, Camp Meeker, Cazadero, Cloverdale, Duncans Mills, Forestville, Geyserville, Guerneville, Healdsburg, Jenner, Monte Rio, Rio Nido, Sea Ranch.

Contact Information

Northern Sonoma County Air Pollution Control District
Business Hours
Monday – Friday
8:00 AM – 4:30 PM
Contact us by Phone
150 Matheson Street
Healdsburg, CA 95448
38.610885, -122.868283


Bay Area Air Quality Management District


A healthy breathing environment for every Bay Area resident

Cal Fire

California Department of Forestry and Fire Protection


Cal Fire serves and safeguards the people and protects the property and resources of California


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