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

Air quality alerts are in effect in the Philadelphia area, fueled by smoke from wildfires that are burning thousands of miles ...

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

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

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

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

Smoke from ongoing wildfires across Canada continued to drift into parts of the United States on Wednesday, causing hazy ...

New York City air quality is dropping as Canadian forest-fire smoke swirls down the Hudson River, shrouding much of the ...

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, ...

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

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