Air quality remains poor in parts of Canada as wildfire smoke travels along the jet stream — with Europe now in its path.

A stretch of northern Ontario remains under a special air quality statement amid smoke from wildfires burning in parts of the ...

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

Extensive wildfires burning on the Prairies created abysmal air quality problems for portions of the country this weekend. Expect periods of poor air quality to persist on Monday and Tuesday as smoke ...

The National Weather Service announced air quality alerts in 10 states on Tuesday, as smoke from the Canadian wildfires continues to spread across the U.S. border. The alerts come as the ...