District staff conducts special investigations of complaints for possible violations of air quality laws and regulations. The following options are available to file a complaint:

During regular business hours:  please contact the District at 332-9400 or toll free at 855-332-9400, press “0” to speak with the receptionist, and request to speak to the on-duty inspector.

After regular business hours: call the District office at 332-9400 or toll free (855) 332-9400 and listen to the recorded message for instructions on how to report a complaint after hours.

Submit electronically: Complaints may be submitted electronically using the form below:

    Your Name (text is required - an anonymous name can be used)

    Your Company (optional)

    Your Phone (optional)

    Best time to call

    Your Email (text is required - can be used)


    Your Message


    Enter the letters and numbers above.

    Submit directly to the California Air Resources Board (ARB): you may also file complaints directly with the California Air Resources (ARB). To reach the ARB’s Complaint Hotline, please call 1-800-952-5588 or go here.

    Smoking Vehicles: To report a smoking vehicle to the California Air Resources Board, visit the Smoking Vehicle Complaint Program page.

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