Wildfire smoke is choking Wisconsin for a third straight spring. The hazy, dirty air from Canada — “some of the highest ...

As wildfire season begins, the destructive impacts of climate change are being felt across Canada. Several communities in northern Saskatchewan have been issued evacuation orders due to wildfires. In ...

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 ...

This early-season smoke is a stark reminder that fire season is no longer confined to the West or wild areas, and more ...

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.

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 ...