News

Toronto’s air quality among worst in the world today
Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...
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 ...
The Canadian Press on MSN8h
'It's distressing': Poor air quality can worsen pre-existing mental health challenges
The poor air quality that has blanketed swaths of central and Western Canada is not only infiltrating the lungs, but also ...
Inside Halton1d
Toronto is one of the worst places in the world right now for air quality
There’s a layer of haze in the air, as smoke from burning wildfires has blown into southern Ontario. And according to the ...
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 ...
Why the Sask. Roughriders postponed, but other sports played on: how air quality indexes work
With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...
The Weather Network on MSN1d
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, ...