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Air quality alerts issued

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· 2h · on MSN

Air quality alerts issued in Canada and US as wildfires continue to burn

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

· 1d

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

· 19h

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

· 8h

Metro Detroit weather: Air Quality Alert continues as temps climb to 90s

An Air Quality Alert is in effect once again today with one major difference.

· 21h

DEC issues air quality advisory for Adirondacks, Central New York

· 20h

Michigan under statewide air quality alert

MLive · 2h

Air quality alert in place for West Michigan until early Thursday

· 5h

Today’s Air Quality: Unhealthy for sensitive groups

MLive · 1d

Air quality alert in place for Northern Michigan until early Tuesday

The Canadian Press on MSN7h

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.

1don MSN

Air quality in Toronto among worst in the world Monday, as Environment Canada issues warning for GTA

Parts of the Greater Toronto Area (GTA) are under an air quality warning on Monday alongside an ongoing heat warning in the region, Environment Canada says.

19h

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.

NOW Toronto1d

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.

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.

1don 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.