Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

Minnesota and Canada share so much: frigid winters, a love for hockey — and more recently, massive plumes of toxic wildfire ...

The Minnesota Pollution Control Agency extended an air quality alert for southeastern and northern Minnesota on Tuesday due ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...

Heavy surface smoke from wildfires in Canada is drifting across Minnesota on Monday, with unhealthy air quality levels ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Reps. Elise Stefanik and Nick Langworthy find the smoke wafting over New York "unacceptable." So is trashing efforts to fight ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...

Canada wildfire smoke targets air quality in Midwest, Great Lakes. What to know this week. Adrianna Rodriguez USA TODAY ...

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.