Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

On Monday morning, Environment Canada issued a special air quality statement for the vast majority of southern Ontario, ...

Environment Canada has issued special air quality statements for southwestern Ontario as prairie wildfire smoke sits over ...

Air-quality alerts have been posted in New York City, with 740 fires raging across Canada from the Arctic Circle to southern ...

The smoke from forest fires is still expected to cloud Toronto’s skies on Monday, according to Environment Canada’s special ...

Environment Canada says smoke from forest fires can cause reduced air quality and visibility that can fluctuate throughout ...

Smoke from forest fires is expected to continue to affect much of southern Ontario today,” says Environment Canada in a Monday morning statement.