Choose a location to view the current air quality:

AQI Animation - Valley

Health Advisories Currently in Effect:

Ozone for Western Nevada County

Woodstove Change-out Program Has Begun!



Burn Day Status

What is Today’s Burn Day Status?

Check Here

For more information on burning in Nevada, Plumas and Sierra counties, check these sections:

Smoky Forest Fire

Local Air Quality

Choose a location to view the current air quality:

Grass Valley ▪ Truckee ▪ Portola
Quincy ▪ Chester

View air quality forecasts, health advisories and other air quality info, check out the main Air Quality Info page.

Helicopter in a smoky sky

Get More AQ Info

Did you know you can view real-time Air Quality Data for locations throughout the region? The California Air Resources Board provides 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. Try it out here. Additionally, if you would like to view the Air Quality Index for any given region in the country, then go to AirNow.

Fire Departments, looking for a Violation Worksheet?


Want to check out the Air District’s final budget for fiscal year 2015-16?


Looking for Collins Pine Renewal Info?


Board Packet, April 23, 2018

April 17, 2018

Board Packet, April 23, 2018, pages 1 – 75 This section includes the Board meeting agenda, minutes from last meeting, 3rd quarter financial reports and the Audit Report for FY 16-17 Board Packet, April 23, 2018, pages 76 – 96 This section is the entire Wood Stove Program Work Plan Board Packet, April 23, 2018, … Read more

Board Meeting, March 26, 2018

March 16, 2018

Board packet, March 26, 2018

Board Meeting, February 26, 2018

February 16, 2018

Board packet, February 26, 2018

Board Meeting, January 22, 2018

January 16, 2018

Board packet, January 22, 2018

November Board Meeting Cancelled

November 21, 2017

Click here to read the cancellation notice.

RACT SIP Revision 2017

October 24, 2017

The 2017 proposed RACT SIP Revision was withdrawn.  A new version will be presented in either February or March as the 2018 proposed RACT SIP Revision: RACT SIP Revision 2018 Final Draft 1-19-18.