The equivalent of 4 million football fields have been consumed by fire in Canada, where 203 wildfires were active Wednesday.

About 200 fires are actively burning in Canada and have consumed about 19,900 square kilometres of terrain, most of it in the ...

The federal and provincial governments have announced they will match Red Cross donations to help those affected by wildfires ...

DULUTH, Minnesota — Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, ...

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

CHICAGO (WLS) -- The Chicago area was under an air quality alert Wednesday due to the Canadian wildfire smoke. Environmental officials said the pollutants from the smoke will be sticking around the ...

Canadian mining firms Hudbay Minerals and SSR Mining said on Wednesday they had temporarily suspended operations in their ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

Wildfires in Saskatchewan and Manitoba continue to burn out of control as fierce winds and bone-dry conditions intensify the crisis, forcing evacuations and threatening northern communities. As of ...

Wednesday’s forecast featured sunny skies alongside the haze from wildfire smoke, but Vermonters can expect heavy rains to roll into the state this weekend.

Canada’s wildfire season is off to an intense start. A NASA satellite has recorded thousands of hot spots across the country ...

Canadian wildfire smoke has become so intense that even young, healthy Minnesotans are experiencing symptoms similar to ...