Researchers have known about the health effects of air pollution for more than a century. The 1948 “Donora smog” in a ...

Smoke from Canadian wildfires prompted a special air‑quality statement for Toronto and warnings nationwide, urging residents ...

On Monday morning, Environment Canada issued a special air quality statement for the vast majority of southern Ontario, ...

The London Fire Department is taking a door-to-door approach to fire safety this summer, launching a new campaign aimed at ...

The haze is expected to ease Thursday morning with pollution levels dropping to moderate after Toronto jumped on and off the world’s worst air quality list during this latest bout.

Wildfire smoke from northern Saskatchewan and Manitoba is riding the jet stream directly toward the Great Lakes region, lowering air quality across much of Ontario.

A system approaching the region will wrap thick smoke onto the southern Prairies and portions of southern Ontario into this ...

An Ontario labour group says it is advocating for more robust worker protections amid growing health concerns over poor air quality as wildfire smoke blankets the province with increasing frequency.

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

The satellite imagery shows the wildfire smoke as a fuzzy white look on the images. The wildfire smoke is thick just to Michigan’s north in a large area of Ontario and Manitoba. The upper-level wind ...

The wildfire smoke that has blanketed the state this month could take a toll on the health of Michiganians long after ...