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

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th ...

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

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

So happy smogiversary, Los Angeles. We can breathe a lot easier than we used to, but don't let that fool you — we still have ...

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 air quality alert reported at 1:58 p.m. on Wednesday by the National Weather Service.

On Wednesday at 5:03 p.m. the NWS Los Angeles/Oxnard CA reported an updated air quality alert in effect until Thursday at ...

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 ...

An air quality alert was reported by the NWS Los Angeles/Oxnard CA on Monday at 2:31 p.m. in effect until Thursday at 8:15 ...