For Plumas, Sierra and Nevada Counties
For Greater Portola Area Only
Smoke from wood stoves and fireplaces is responsible for the majority of air pollution in Portola. The Greater Portola Area has been designated by the U.S. Environmental Protection Agency (EPA) as a federal “nonattainment” area. This means that air pollution exceeds National Ambient Air Quality Standards (NAAQS) for fine particulate matter (PM2.5).
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.