The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

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

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

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

You may notice a slight haze in the sky on Wednesday across the D.C. area as smoke from Canadian wildfires brushes the region ...

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 ...

Rep. Calvin Callahan joined lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada over ...

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

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

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 ...