California · find a service

Find air quality information in California

Find air quality information.

In California, 1 state agency publishes 37 official links for this service. Reviewed requirements cover availability notices (36). 43 counties have a page for it below.

Before you start · 3 things to check

A burn permit, CAL FIRE restriction status and the local air district's permissive-day decision are separate requirements.
Open the official current tool before burning. CountyWiki does not publish a snapshot as today's permission.
Residential hazard-reduction burning, agricultural/prescribed burning and indoor wood-burning restrictions follow different programmes.

1 guide with reviewed service links · Napa

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Choose a county on the map

Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties

County directory Reviewed service guides available

Map for browsing; agency service areas may differ.

Map source

U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

California service directory · Sacramento

California air districts and burn-decision directory

One actual CARB state directory guide. District referrals preserve whole-county and partial-county source descriptions, without creating 35 new government identities or asserting parcel-level jurisdiction.

California Air DistrictsOfficial instructions

Use CARB's directory to identify the responsible district. Some districts cover only part of a county, and county navigation is not a boundary determination.

Service area: State air-district directory for California; district and address jurisdiction must be confirmed Area details & sources

Service availability

California's 35 local Air Districts are responsible for regional air quality planning, monitoring, and stationary source and facility permitting.

Official information checked October 26, 2026 · Details & sources

Source checked October 26, 2026

California Air Resources Board · California Air Districts (opens in a new tab)

Official page, exact named resource or scoped programme paragraph

California Air Districts

Saved evidence: fbc5510b92f2e8c8 · Agent source review

Find Your Air DistrictOfficial instructions

Official district finder referral. No address was entered and no district boundary was inferred from the CountyWiki map.

Service area: California air-district finder; confirm the applicable district for the address Area details & sources

Source checked October 26, 2026

California Air Resources Board · California Air Districts (opens in a new tab)

Official page, exact named resource or scoped programme paragraph

Find Your Air District

Saved evidence: fbc5510b92f2e8c8 · Agent source review

CARB profile: Bay Area AQMDOfficial instructions

State directory profile for the named district. Read the district's own current permitting, complaint and burn-information pages before acting.

Service area: Includes Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, and Santa Clara counties, and the western portion of Solano and southern portion of Sonoma counties Area details & sources

CARB's published district geography; partial-county areas are not expanded to all addresses

Includes Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, and Santa Clara counties, and the western portion of Solano and southern portion of Sonoma counties

Official information checked October 26, 2026 · Details & sources

Source checked October 26, 2026

California Air Resources Board · Bay Area AQMD CARB profile (opens in a new tab)

Official page, exact named resource or scoped programme paragraph

Bay Area Air Quality Management District

Saved evidence: 1e168e22e7eae039 · Agent source review

Full guide, contact details & sources →

Find air quality information in California

California air districts and burn-decision directory

Find air quality information by county