We have updated our software and now offer an easier way for people to signup to receive Health Advisories from us! You can also view Grass Valley Ozone data on a real time basis.

We offer four different Email lists that you can 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!

Click on the Menu Item labled "Email Lists" or click here.

Fire season is upon us. To find out how smoke from fires can affect your health read this cool brochure from EPA.

New! To access the Joint Statement on Risk of Radiation Exposure in California and other information, click here.