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

Smoke from the Canadian wildfires continues to bring dangerous air quality to parts of the northern U.S., with hazy and smoky skies also possible for the East and South.

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

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Air quality is taking a hit in parts of the central and eastern United States as smoke from out-of-control wildfires in Canada pours south – but that isn’t the only thing millions of people will ...

Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, stirring memories of the ...

Alberta’s wildfire threat stabilized as rain slowed the growth of some blazes that have forced evacuations and shut about 7% ...

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

More than 25,000 residents in three provinces have been evacuated as wildfires remained active and diminished air quality in ...

The worst wildfires in decades are tearing through Saskatchewan, Canada, and at least two people have been killed in blazes ...

Michigan, Wisconsin and Minnesota are already seeing air quality deteriorate because of smoke from the fires in Manitoba and ...

Dozens of wildfires remained active Sunday and diminished air quality in parts of Canada and the U.S., according to officials ...