Smoke from wildfires raging in Canada has drifted into the United States, affecting air quality as far south as Florida.

Wildfires burning in Canada's oil-producing province of Alberta have reduced the country's daily crude production by about 7% ...

While excessive heat primarily affected Canada, the resulting smoke and poor air quality highlight how climate-driven events ...

Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.

A wildfire is seen Monday burning northeast of Summit Lake, British Columbia, Canada.

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

Parts of Canada and the US received alerts for hazardous air quality as hundreds of wildfires spread throughout Canada, ...

Smoke from a series of wildfires burning across central Canada has prompted officials to issue an air quality alert for the ...

The smoke emanating from the forest fires burning across Canada’s prairies may be visible in parts of the Greater Toronto ...