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

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

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

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

Seven Michigan Republicans in Congress want Canada to contain and prevent future wildfires, noting it's the third summer ...

A thin veil of smoke from wildfires burning in Canada is worsening air quality and putting a lid on temperatures in the D.C.

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

The scale and intensity of the fires have had transboundary effects. Smoke from the blazes has drifted across the border into ...

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 ...

An elevated flooding risk persists on Sunday for some parts of the Southeast as Alabama, Georgia and the Florida Panhandle ...

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