• Biomass Business Competition - Over 20 local and state partners come together to sponsor the first Sonoma County Biomass Business Competition.  More information coming soon!


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Air District Boards

Board of Directors, Hearing Board, and

Meeting Schedule & Agendas.

Prepare for Fire Season

Community Programs

Incentives for EVs, EV Chargers, Wood stoves, Clean Diesel &Community Projects​.

Northern Sonoma County Air Pollution Control District 


Bay Area Air Quality Management District

Permits and Notifications

Air Quality Permits, Open Burning, Asbestos, Smog Exemptions & Online Payments.



  • CAL FIRE and County Burn Suspension went into effect June 15, 2020 for state responsibility areas, and unincorporated areas, prohibiting residential burning.  Learn More.

Today's Air Quality

Local and Regional Air Quality in "Near Real Time" with Health index (AQI).

Planning & Sustainability

Legislative Platform, Support of Climate Sustainability, Partners, & Activities.

  • ​​Emergency Generators:  



There are two air districts in Sonoma County with separate territory, air pollution control programs, and regulations: 

​Contact    |   Call:  (707) 433-5911   |   District FAQs

​​Welcome!  The Northern Sonoma County Air Pollution Control District (NoSoCoAir) is the regulatory agency responsible for air quality in the northern Sonoma County region.

  • District Operations During COVID-19:  ​During the COVID-19 epidemic, the District office will be closed for walk-in service while the District team tele-works to support public health and safety.  Essential District services will remain available, but processes may be slighly slower during this period.  We kindly ask for your patience.  Please call our office front desk at (707) 433-5911 or you may e-mail or call a team member directly to leave a message.  Be sure to leave your name, phone number, and a detailed message.  We will be checking messages frequently and will respond as soon as possible.​​

Check the map tool, below, to verify by your address:

Are you in NoSoCoAir?

  • CALeVIP Sonoma Coast Incentive Project Launches on  July 8, 2020.  NoSoCoAir is excited to announce the official launch of the Sonoma Coast Incentive Project, in partnership with the California Electric Vehicle Infrastructure Project (CALeVIP) and Sonoma Clean Power.  Starting today, businesses, nonprofits, tribes, and government entities in Mendocino and Sonoma counties can apply for rebates on eligible electric vehicle charging equipment and installation costs.  Eligible applicants can apply for up to $80,000 per DC fast charger and up to $7,500 per Level 2 connector.  To learn more and to apply, visit the CALeVIP site.  

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