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.

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

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

Summer in Minnesota usually means lakes, cabins, and time outdoors. However, this year, smoke from Canadian wildfires has ...

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

The other problem is that they sound like good news. Negative feedbacks face the opposite problem. In a negative feedback, ...

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

The Woods Fire started Aug. 13, although its origin was unknown and being investigation, the Sedona Fire Department said.

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

Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

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.