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Air quality alerts issued

Canadian Wildfire Smoke Sets Off Air Quality Alerts in Toronto and U.S.

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air quality conditions across Eastern Canada and the United States.

The Canadian Press on MSN · 2h

Canadians face air quality, heat warnings as some stuck indoors from both

· 13h

Wildfire smoke prompts air-quality warnings for much of Central Canada and Manitoba

· 15h

Michigan under statewide air quality alert

With Michigan under an air quality alert, health officers are urging residents to be cautious.

· 16h

DEC issues air quality advisory for Adirondacks, Central New York

MLive · 21h

Air quality alert active for Michigan until early Wednesday

· 15h

Smoke from Canadian wildfires prompts air-quality alert across Chicago

Manitoba authorities on Friday said the region was experiencing its worst wildfire season on record in the last 30 years.

· 18h

Air quality health advisory issued after Canadian wildfires

MLive · 1d

Air quality alert in place for Northern Michigan until early Tuesday

The Canadian Press on MSN2h

How to read Environment Canada's air quality index

Wildfire season is upon us, and smoke is reducing air quality through swaths of the country. Environment Canada suggests people check the Air Quality Health Index daily to determine how much time to spend outside.

Air quality statement issued for Hamilton and area

The Air Quality Health Index is expected to be as high as seven, or high risk, according to Environment Canada.

13h

Air quality warning for Toronto downgraded, though still among worst in world

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week filled with hot and humid weather.

The Canadian Press on MSN22h

How to read Environment Canada's air quality index and find out if you're at risk

Wildfire season is upon us once again, and smoke is reducing air quality through swaths of the country. Environment Canada suggests people check the Air Quality Health Index daily to determine how much time to spend outside.

23h

Special air quality statement in effect alongside heat warning

Londoners are urged to limit time outdoors on Monday as a special air quality statement is issued on top of an ongoing heat warning.

23hon MSN

Canada wildfire smoke triggers heat wave and poor air quality warnings in Toronto and the GTA; check who are at risk

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to wildfire smoke from northern Ontario. The poor air quality is expected to persist from Monday into Tuesday.

NOW Toronto21h

Environment Canada issues air quality and heat warning amid heatwave

As extreme heat continues to cast over the city of Toronto, Environment Canada is warning of poor air quality on Monday.