Wildfire smoke from a series of blazes burning in the Canadian prairie has drifted across New York, contributing to a series ...

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

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

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

CALGARY, Alberta (Reuters) -Wildfires burning in Canada's oil-producing province of Alberta have reduced the country's daily ...

The pull of the foul air to Northern California was significant enough that the Bay Area Air District issued an air quality ...

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

The smell of fire filled the air as thick smoke from wildfires in Canada blanketed part of the Midwest and created hazardous ...

Roughly 17,000 residents in the Canadian province of Manitoba have been evacuated because of nearly two dozen active ...

Smoke from raging wildfires in Canada is worsening air quality in some U.S. states. But will Greater Cincinnati be affected?

Wildfires burning in Canada's oil-producing province of Alberta have affected more than 344,000 barrels per day of oil sands ...