Researchers are sounding the alarm on the damaging impact of smoke from wildfires on air quality.
Researchers are sounding the alarm on the damaging impact of smoke from wildfires on air quality.
Paul Heggen explains how the Bay Area may have to deal with air quality impacts from wildfire smoke for the first time this season..
Smoke from more than 100 wildfires in the Western United States and Canada is drifting into our area.