Smoke from wildfires in northern Alberta and northeastern B.C. was expected to reach Calgary this weekend, with forecasters ...

Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the ...

Michigan's air quality suffers due to Canadian wildfires, with advisories in place affecting numerous counties. What ...

Social media posts highlighting government statistics reporting most blazes in Manitoba province were "human caused" imply ...

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

Toxic metals, including arsenic, could be released by Canadian wildfires, posing health risks to those downwind.

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

A recurring atmospheric phenomenon that doesn't always reach North America is expected to dust SC skies this week.

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

Living in the Midwest means being affected by the Canadian wildfires that occur just about every year. Here is what to know ...