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

An air quality statement is in effect for Toronto and the surrounding region as wildfire smoke continues to drift south, ...

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

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

Massachusetts could see hazy skies throughout the day Monday as wildfire smoke from Canada drifts into the Bay State. The ...

“Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to ...

An air quality alert is in effect today for NYC, as well as Dutchess, Orange, Putnam, Rockland, Sullivan, Ulster and ...

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday.

Smoke from wildfires burning in Canada is filling the skies high above New Hampshire for Monday, triggering concerns about ...

A Greenwood and Danforth measuring station reported the city’s worst air quality Saturday evening. Smoky skies are likely ...

Wildfire smoke turned dense late Sunday and it will remain that way today with an Air Quality Alert issued for a second day ...

Residents across parts of northeastern Ontario are being warned about deteriorating air conditions as thick plumes of ...