A series of huge, devastating fires ravaging Los Angeles County are blanketing virtually the entire region in toxic smoke.

Winds have begun shifting to the east, which drove the Eaton fire toward Arcadia and Monrovia early Wednesday morning. Smoke ...

On Wednesday at 12:26 p.m. an air quality alert was issued valid until Friday at midnight. The alert is for San Bernardino ...

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

An Air Quality Alert has been issued for parts of the Inland Empire, as well as Los Angeles and Orange counties.

The wildfires burning across LA are also degrading the air quality across the region. The resulting air pollution is a ...

Smoke from multiple L.A. fires could reduce air quality across Southern California if wind direction shifts. SAN DIEGO COUNTY, Calif. — As multiple fires burn across Los Angeles County, meteorologists ...

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

Millions woke up to hazy skies and poor air quality Wednesday morning as crews continued to fight the Palisades Fire in western Los Angeles, the Eaton Fire near Altadena and the Hurst/Sylmar Fire ...

An air quality alert was issued on Monday at 2:59 p.m. in effect until Wednesday at midnight. The alert is for San Bernardino ...

Orange County residents know the importance of maintaining a comfortable indoor environment throughout the year. With varying ...

Wildfire smoke ‒ burning trees and shrubs but also homes and other manmade materials ‒ contains toxic chemicals harmful to human health immediately and over longer periods. These carry risks such as ...