Smoke from the wildfire in Butte County has resulted in dangerous air quality throughout the Bay Area -- on Thursday evening, the Air Quality Index in Los Altos measured between 230 and 250 according to...

A Foothill-De Anza District emergency notification sent to students at 4:27 p.m. stated that classes will be canceled on Monday, Nov. 19, due to poor air quality. Though air quality in the Bay Area...

As air quality continues to worsen in the San Francisco Bay Area, cities have opened public spaces for anyone seeking refuge from wildfire smoke blanketing Northern California. Air pollutants from the...