AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

“As long as these fires are burning, there’s just a ton of smoke in the air right now,” Sarah Rees, deputy executive officer ...

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

This is Madison in New York with a special edition of the Prognosis newsletter. I’m worried the people in Los Angeles.

A map from AirNow suggests that the air quality around Los Angeles and Anaheim, California, is unhealthy as the Palisades ...

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

Smoke from wildfires — like the ones in Los Angeles — can have health consequences. Here's what experts expect.

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

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

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

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 ...

As smoke pours from the intense wildfires currently scorching Los Angeles, air quality has plummeted across the city due to ...