US EditionForest Fire Smoke Prompts Air Quality Warning for Toronto
TORONTO, ONTARIO, CANADA, AUG 2 – Wildfire smoke from northern fires has pushed air quality to high risk levels in Toronto, ranking it third among the world’s most polluted cities Sunday, IQAir reported.
- On August 3, 2025, Environment Canada announced a warning about poor air conditions across much of southern Ontario and the Greater Toronto Area due to smoke drifting in from wildfires.
- The statement came after predictions that smoke from forest fires would lead to unhealthy atmospheric conditions and limited sightlines across the region starting Saturday afternoon.
- Officials urged residents, especially vulnerable populations, to limit outdoor activities, keep windows closed, and consider rescheduling outdoor events as air quality and visibility can fluctuate widely.
- Toronto ranked third in the world’s most polluted cities Sunday morning, with air-quality health index levels reaching a "high risk" seven or above in some areas and moderate risks elsewhere.
- The wildfire smoke is expected to linger throughout Sunday and possibly into Monday, increasing health risks and prompting continued advisories to reduce smoke exposure and seek medical help if needed.
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windsornewstoday.ca
Smoke causes special air quality statements across southern Ontario
Wildfire smoke is drifting into Windsor, Chatham-Kent, and Lambton County.
Special air quality statement issued for Toronto due to wildfire smoke
Environment Canada has issued a special air quality statement for most of southern Ontario, including the GTA. The national weather service says smoke from forest fires is causing or expected to cause poor air quality and reduced visibility throughout southern Ontario Saturday afternoon and evening. “Air quality and visibility due to wildfire smoke can fluctuate […]
Special air quality statement issued in Chatham-Kent, due to wildfire smoke | Wallaceburg News | Local news in Wallaceburg, Dresden and surrounding areas.
A special air quality statement has been issued in Chatham-Kent, due to wildfire smoke. “Smoke is causing or expected to cause poor air quality and reduced visibility,” Environment Canada officials say. “Smoke from forest fires is expected to continue to affect much of southern Ontario today. The wildfire smoke may persist into Monday for parts of southern Ontario. Air quality and visibility due to wildfire smoke can fluctuate over short distanc…
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