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

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

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

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

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 ...

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

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

Wildfire smoke from the Prairies has prompted a special air-quality statement over much of northern Ontario Saturday.

Air quality warnings are in effect for Manitoba as wildfire smoke continues to blanket much of the province. Environment ...