KTLA’s Air Quality Map of Southern California shows wide swaths of the ... (KTLA) These elevated air pollution levels are likely from the numerous fireworks set off in the area for the ...

Smoke advisories remain in effect in Southern California due to three major wildfires that started earlier this month. The wildfire smoke advisory issued by the South Coast Air Quality Management ...

Two fires burning in the mountains of Southern California ... South Coast Air Quality Management District has issued an air quality alert Monday due to elevated fine particle pollution levels ...

A new report shows that some of the nation's most polluted cities are in Southern California ... at the Coalition for Clean Air who says that much of Los Angeles' pollution lands in Riverside ...

Freight rail yards in Southern California will have to add clean-air technology under a new rule from a pollution-fighting agency. The South Coast Air Quality Management District board has ...

Southern California air regulators have adopted a first-of-its-kind rule to curb smog-forming pollution from freight trains and cargo trucks that serve the region's rail yards. The South Coast Air ...