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 ...

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 ...

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

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

The wildfire smoke may persist into Tuesday and possibly Wednesday,” said Environment Canada in a Monday afternoon statement.

Toronto is among the most polluted cities in the world on Monday morning as the city remains under a special air quality ...

Due to Canadian wildfires, New York State issued an air quality health advisory effective until midnight August 4, impacting ...