Welcome to the Air District
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To view current Air Quality select a site from below:

Grass Valley





To View Current Health Advisories, click here

Woodstove season is upon us. Check out these helpful brochures from the EPA that can help you SAVE $$ by getting the most heat and efficiency from your woodstove.                            BurnWise             Does Your Woodstove have a dirty little secret?

To find out how smoke from woodstoves can affect your health read this helpful article from EPA.

Watch this cool video on California's Clean Air Legacy


We have updated our software and now offer an easier way for people to signup to receive Health Advisories! We offer four different lists to sign up for:

Air Quality Health Advisories in Western Nevada County

Air Quality Health Advisories in Eastern Nevada County

Air Quality Health Advisories in Plumas - Sierra County

General News From Northern Sierra Air Quality Management District

Please Sign up for one or more of our lists to help us keep you informed as to the conditions around you!

You can also view Grass Valley Ozone data on a real time basis.

To view real-time Air Quality Data for locations throughout the region click here. It is a Query tool that allows you to view both preliminary and official air quality data by selecting a time frame, an area of the state, and the type of report. Results can be clicked through for more detail. Additionally, if you would like to view the Air Quality Index for any given region in the country, then click on AirNow.

Check out the most recent Progress toward Clean Air report for California: California's Progess toward Clean Air.

Fire Departments: fillable Violation Worksheet.

Check out the Air District's final budget for FY 14-15:

Budget for FY 14-15.