An explosion at a Los Angeles County Sheriff’s Department training facility killed three veteran deputies from the arson and ...

An explosion at a Los Angeles law enforcement training facility that left three deputies dead was being investigated as a ...

Freeway north of LA is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather ...

Los Angeles braces for a hot day with an Air Quality Alert due to high ozone levels, affecting sensitive groups and advising precautions like staying indoors and limiting outdoor activities.

Los Angeles County is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather ...

Los Angeles County is the focus of an updated air quality alert reported at 3:54 p.m. on Wednesday by the National Weather Service. The alert is in effect until 5 p.m.

Millions of people in California have been urged to avoid grilling on Wednesday amid concerns over high air pollution levels.

Ozone pollution is invisible,” says Kai Chen, PhD, co-faculty director of the Yale Center on Climate Change and Health, and that’s exactly why it is so dangerous. On July 9, air quality alerts ...

Johnny Jimenez gathered the crews he manages at Designscapes Colorado, a commercial landscaping company headquartered in ...

A new regulation effective June 1 bans governments and their contractors from using small gas-powered equipment during the ...

Air quality alerts were in effect on Tuesday for millions of residents across New York, Connecticut, and Southern California, ...

Freeway north of LA is the focus of an air quality alert reported at 2:31 p.m. on Monday by the National Weather Service. The ...