Regulations

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District Regulations

In California, local air pollution control districts, including NoSoCo Air serve as the "boots on the ground" for protecting the air we breathe. Their…

A construction vehicle is demolishing a building, with debris scattered around and tall trees in the background on a cloudy day.

Asbestos Notification

Please note that there are two air districts in Sonoma County; each with its own asbestos rules and notification requirements. Check the map on our…

A collection of vintage vehicles, including off-road and classic cars, parked outdoors.

Smog Inspection Exemption

The District no longer issues smog exemption letters. The Bureau of Automotive Repair (BAR) directly handles exemption requests via email (below).

A lit wood stove with logs burning inside and a stack of firewood beside it.

Using Woodstove Caution

Sonoma County Air Districts’ regulations and Building Code prohibit the installation and/or sale/resale of non-EPA certified wood heating...