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

More and more people in Michigan are gagging on smoky air blowing in from Canada’s wildfires or struggling to avoid ...

Hazy skies settled over Hampton Roads this week as smoke from wildfires in Canada and the West moved over the region. The ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

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

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

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

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 ...

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 ...

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

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