PurpleAir sensors reported elevated levels of unhealthy air around the Bay Area on Saturday morning, with motorists noting a ...

R esidents in Bakersfield, California, faced potentially harmful levels of air pollution in the early hours of Tuesday ...

California Governor Gavin Newsom this week vetoed a law that would have limited the regulatory powers of air quality agencies ...

Partner Mobile Labs from top research laboratories have now deployed in support of SMMI to provide granular data in communities across California ...

Santa Barbara County Air Pollution Control District (APCD) is excited to announce that its newly upgraded Permitted ...

The NWS Phoenix AZ reported an air quality alert at 3:04 p.m. on Monday in effect until Tuesday at 11 a.m. The alert is for ...

A form of harmful air pollution that often can't be plainly observed is now being tracked with a groundbreaking new tool ...

A little rain is in the forecast for this weekend in Northern California, but amounts are expected to be relatively light.

By Lisa Baertlein LOS ANGELES (Reuters) -California Governor Gavin Newsom this week vetoed a law that would have limited the ...

Ten years ago this week, (Oct. 23, 2015) the largest U.S. methane leak was discovered at Aliso Canyon in northwestern Los ...

Less than two weeks from Election Day, a potentially decisive edge in California's fight over new U.S. House districts has ...

Elsewhere, Arizona fared more poorly than the rest of the Southwest on the green list, with Scottsdale as its top city at No.