The smoke was expected to most heavily affect northwest coastal LA County, and in areas nearest the Palisades, Eaton and ...

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

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

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

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

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

Multiple wildfires are still plaguing Southern California, resulting in poor or even dangerous air quality in many areas. As ...

On Thursday at 5:14 p.m. an air quality alert was issued valid until Friday at 5 p.m. The alert is for Calabasas and Agoura ...

Wildfire smoke increases tiny particles in the air known as particulate matter that can be harmful to people’s health.

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

NBC News' Tom Llamas spoke to ER Medical Director Sylvia Kotikian about the poor air quality in Southern California and what ...

Virtually all of Los Angeles is experiencing "unhealthy" air quality levels amid the devastating fires that ignited in early ...