As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

Already known for having some of the worst air quality in the U.S., people in Southern California are now also at risk of ...

Millions of Los Angeles County residents are facing extremely hazardous air quality as wildfires continue to burn. The air ...

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Stage 3 restrictions include a ban on non-essential construction activities and restrictions on BS-III petrol and BS-IV ...

Massive wildfires burning in the Los Angeles area have filled the air with a thick cloud of smoke and ash, prompting air ...

Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.