Colorado Gov. Jared Polis mobilized the state’s National Guard on Wednesday to support firefighting efforts near Meeker.

Air quality in the state has been noticeably bad, as Canadian wildfires continue to rage. This makes breathing harder and ...

Two uncontained wildfires have charred thousands of acres and reached within a mile of the Western Slope town of Meeker, ...

Hundreds of Canadian wildfires have worsened the air quality in many parts of the United States ...

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and Northeast regions.

Northeast Wisconsin has finally ended its streak of nine days under an air quality advisory. Smoke from massive Canadian ...