Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

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

In the height of summer, when most Americans dream of clear skies, campfires, and serene lakeside vacations, a thick haz ...

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

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

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

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

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 ...

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

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

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