Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

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

Step outside and you'll probably smell it—smoke has been a major issue across much of Eastern Canada this weekend. Montreal ...

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

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

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

Environment Canada is warning residents the smoke from wildfires may continue to affect parts of southern Ontario into Monday ...

Forest fire smoke from the Prairies blew into the city earlier in the day, but Environment Canada lifted its special air ...

The air quality warning for the Greater Toronto Area has been lifted after being in place over the long weekend, Environment Canada says.

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

Toronto’s air quality is currently listed among the worst in the world as an Environment Canada alert for the city remains in ...

Smoke from Canadian wildfires prompted a special air‑quality statement for Toronto and warnings nationwide, urging residents to limit outdoor time amid poor air and hazy skies.