Regional air quality for Butte, Glenn and Tehama Counties is forecast to have reached unhealthy levels, according to the agencies. Smoke impacts are expected to vary over the next several days depending on wind direction and the intensity of the fire activity. The agencies say that people experiencing questionable or severe symptoms should seek professional medical advice and treatment.

For current air quailty measurements, visit the California Air Resource Board website, and choose the location from the top menu:

https://mobile.arb.ca.gov/breathewell/