After several wildfires combined to torch tens of thousands of acres of vegetation in Los Angeles County ... and local monitors," said the South Coast Air Quality Management District on Tuesday.

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A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland Empire home.

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This interactive map gives you up-to-the-minute air quality updates and health recommendations for communities across Los Angeles, Orange, San Bernardino, and Riverside counties—including the ...

Recent studies show that upgrading HVAC systems and using HEPA filters to improve air quality in classrooms provide health ...

As the fires burned in Los Angeles, scientists and local air regulators deployed monitors to measure the levels of heavy ...

In the aftermath of the Southern California wildfires, health experts are warning residents over possible health effects from lingering toxins in the air ... of Los Angeles Thursday morning.

As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods. Now scientists and officials are pushing for better detection ...