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

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.

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

Los Angeles, Visalia, Bakersfield, Fresno and San Diego were among the list of cities most polluted by ozone. Bakersfield, Visalia, Fresno, Los Angeles and Sacramento were in the top 10 for worst ...

Los Angeles-Long Beach was found to have the worst ozone, or smog, pollution in the country. Five areas of California were listed among the top 10 most polluted areas, with Visalia placing second ...

An annual report from the American Lung Assn. showed that Los Angeles has improved its air quality but still deserves its reputation for unhealthy air. Los Angeles remains nation's smoggiest city ...

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 ...

LOS ANGELES — Despite decades of progress in reducing air pollution, Los Angeles is still the nation’s smoggiest city, according to a report released Wednesday by the American Lung Assn.

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 ...