Parts of three states face potentially unhealthy levels of air pollution early Wednesday, a live map from AirNow shows.

Wildfire has long been a part of life for many Americans. But recently, as wildfires have become larger, more destructive and longer-lasting, a new risk has come into focus for millions across the ...

Hazy skies across metro Denver and further north in Fort Collins and Steamboat are a result of dozens of active wildfires burning in the Pacific Northwest across Washington and Oregon as well as in ...

An air quality alert is in effect until late afternoon Friday due to wildfire smoke blowing into the area. Donald Trump threatens EU with major retaliation: 'Discriminatory' Bruce Willis appears in ...

Hot, dry weather and wildfire smoke from out-of-state fires will contribute to lower air quality across the Front Range and Denver metro through Friday afternoon, Colorado public health officials said ...

In this video, we present a new method that uses a swarm of drones to reconstruct the 3D structure of smoke plumes in outdoor environments. This approach enables high-resolution, volumetric tracking ...

Wildfire smoke from Washington, Oregon, and British Columbia has severely impacted air quality in eastern Washington. Winds from the east and northeast have largely contained the smoke east of the ...

Multiple wildfires are burning across California, fueled by high temperatures, dry winds, and low humidity. Cooler weather and coastal fog are aiding firefighting efforts in some areas, but conditions ...

Firefighters in Archuleta, Rio Blanco and Moffat Counties are continuing to fight massive wildland fires. FOX31's Greg Nieto traveled to the area to get a first-hand account. Taylor Swift Announces ...

Maine's air quality continues to suffer from lingering Canadian wildfire smoke. We asked health experts why exposure to smoky air is so harmful to our health. Wildfire smoke contains a cocktail of ...