The country has “been fighting wildfires in this country at unprecedented rates since 2023,” when Canada saw its largest ...

While the smoke is worst along the Western Slope where the fires are burning, levels are also fluctuating on the Front Range.

She says emissions from things like transportation and heating have never triggered an air quality alert in Vermont, unlike ...

While relief from the heat in the form of cool, Pacific breezes are on the way to Western Washington, the near-record hot ...

The hazy air hovering over US cities, including Chicago and New York, this summer is reminding Americans of just how ...

Visibility in the Denver metro was limited on Wednesday, and many people could smell smoke from the wildfires burning in the ...

Researchers found that wildfire smoke can raise ozone to dangerous levels, posing hidden health risks even in remote areas.

Expect a cooler Wednesday with hazy skies from Canadian wildfire smoke, followed by a warming trend and potential ...

Smoke from the Bear Gulch Fire in Western Washington has been making its way across the state. See the forecast for Aug. 14 and Aug. 15.

Despite the wildfires and evacuations from the nearby Lee and Elk fires, some students and staff in Garfield County returned ...

A dramatically large and dark column of smoke dominated the sky Tuesday as the Gifford Fire continued to burn in San Luis ...

The skies were mostly clear and blue in the Twin Cities Tuesday, but Dr. Dorothy Curran says we're not in the clear yet when ...