Smoke Update: Smoke from various fires burning in northern California is increasing PM2.5 levels throughout the region. Air quality can change quickly at different times during the day due to wind shifts. If you see or smell smoke in your area you should stay indoors and avoid outdoor activities. Please click on the below map's options to display PM2.5 AQI readings from permanent AirNow monitors (circle) or from temporary monitors (triangle) that may be deployed. Each circle or triangle represents the color of the AQI category being recorded based on Eastern Daylight Time (EDT).

Fires: Current Conditions