As Heat and Humidity Drop in the City, Wildfire Smoke Moves In

Air quality expected to improve Thursday as wildfire smoke lingers

Southern Ontario is under an environmental advisory Wednesday evening with warnings about reduced visibility and increased respiratory risks.

As heat and humidity drop in the city, wildfire smoke moves in

Toronto’s heat warning ended Wednesday night but a special air quality statement was issued as smoke from the Prairies blows in.

Northwestern Ontario takes the brunt of forest fire season

There are 10 active wildfires in Northeastern Ontario but 44 in Northwestern Ontario, the Ministry of Natural Resources reports.

Air quality statements, warnings issued across northwestern Ontario due to wildfire smoke

Much of northwestern Ontario is under air quality statements or more severe air quality warnings, as wildfire smoke from over the Prairies has moved into the region. Meanwhile, rainfall has reduced fire behaviour on some fires of note, meaning evacuees from Pikangikum First Nation can return home.

North Bay, Powassan, Mattawa have poor air quality right now due to forest fire smoke

Poor air quality may persist through Wednesday for some areas.

Wildfire smoke returns to Ontario—and could stick around for a while - The Weather Network

The wildfire smoke that returned to Ontario on Wednesday could be a theme this weekend and beyond