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

Small particles can get lodged in crevices of organs from lungs to arteries, causing inflammation and other health issues.

Two allies of President Donald Trump from Upstate New York have sent a letter to Canadian Prime Minister Mark Carney over the ...

Air quality alerts continue for millions as wildfire smoke crosses the border from Canada. Plus, the intense heat fueling ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

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

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 ...

Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

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

Having breathing trouble today? Canadian wildfire smoke is drifting across Ohio today, dropping the air quality in parts of ...

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality ...