Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

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 ...

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

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

Smoke from wildfires in Canada continue to impact air quality in the northern United States, even in the New York City metro ...

The Minnesota Pollution Control Agency (MPCA) has issued an AIR QUALITY ALERT for all of Minnesota until Tuesday morning.

Canadian wildfire smoke has worsened the air quality in multiple states and irritated the eyes, noses and throats of many Americans.

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

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.

The wildfire smoke that has blanketed the state this month could take a toll on the health of Michiganians long after ...

Because of all of the smoke, the Pennsylvania Department of Environmental Protection has declared a Code Orange Air Quality ...