Over 100 local organizations submitted letters to the California Environmental Protection Agency this week, raising concerns over proposed updates to a map used to identify areas with disadvantaged ...

"High pressure causes the air to sink," Hall explained. "It creates basically a cap or a lid over the Bay Area, and there's not much of a wind to help mix things out. Then you add on top of that some ...

Meteorologists at the National Weather Service may have an answer for Bay Area residents regarding Thursday's poor air quality. Roger Gass, a meteorologist with the National Weather Service in the San ...