A hidden air pollutant is discovered by Caltech scientists that may change the way smog is studied in Southern California ...

The Los Angeles region has some of the most polluted air in the United States, failing to meet standards set by the ...

The Republican-majority Senate voted to nullify California's landmark environmental rule that would've banned the sale of new ...

How Southern California Wildfires Impact Air Quality, Smoke Damage, and Insurance Coverage - The Southern California ...

Ben Affleck and Jennifer Garner's daughter Violet recalled having an argument with her famous mom in a candid essay for Yale.

“I know with time it’s going to happen. . . . I would love for it to get done so I can take care of my family and the loved ones that helped me get here,” Williams said, via Gary Klein of the Los ...

Los Angeles has long struggled with air pollution, and despite progress over the decades, smog is still a major issue in the ...

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The latest forecast and air quality conditions for the greater Los Angeles area, including beaches, valleys and desert regions.

Amid a heat wave, some Southern California residents are expected to experience potentially dangerous air quality on Tuesday.

California has used federal waivers to help clean up its air quality for decades. The U.S. Senate will likely revoke that ...