Contact Us

Contact Information

Northern Sonoma County
Air Pollution Control District

150 Matheson Street
Healdsburg, CA 95448

(707) 433-5911

Office Hours:
By Appointment Only
8:00-12:00 & 1:00-4:30

COVID-19 Operations

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 e-mail Be sure to leave your name, phone number, and a detailed message.

Frequently Asked Questions

Do you have a general inquiry or question about the air district and/or air quality? We have compiled a list of Frequently Asked Questions (FAQs) for reference. If you have a specific question not addressed by our FAQ, please reach out to us by using our contact information, or the e-mail form, below. We look forward to hearing from you!

Questions, Comments, or Concerns?

Please note: There are two Air Districts in Sonoma County, each with different Air Quality programs and rules. Please use the map application on our Home page to verify that we are your Air District. We look forward to hearing from you.

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