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Why Toronto residents still aren’t safe from wildfire smoke indoors
Environment Canada urges residents to limit their time outdoors. But even when inside, most buildings can only reduce airborne pollutants by half.
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 ...
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 ...
What are the health risks of wildfire smoke? How to protect your lungs from poor air quality
With wildfires growing more intense and frequent, many Canadians are wondering about the short- and long-term effects smoke ...
Republicans Blame Canada for Wildfire Smoke ‘Suffocating’ the U.S.
Six members of Congress from Wisconsin and Minnesota have asked Canada to say how it plans to tackle the blazes and reduce ...
The Waterloo Region Record6h
Toronto is one of the worst places in the world right now for air quality
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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 ...
The Weather Network on MSN23h
Air quality worsens as smoke returns to Ontario skies
Expect deteriorating air quality across parts of Ontario heading into the new workweek as upper-level winds blow wildfire smoke into the region. Some of the smoke could mix down to the surface, ...