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

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

Jim Harbaugh wore a Los Angeles Fire Department hat during his news conference Thursday, a tip of the cap to the men and ...

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.

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

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

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

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

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

Millions woke up to hazy skies and poor air quality Wednesday morning as crews continued to fight the Palisades Fire in ...

The catastrophic wildfires in Los Angeles County have caused toxic air in the region. NBC News' Steve Patterson reports on ...