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 ...
What you need to know to understand air quality warnings in Canada
In Canada, the Air Quality Health Index (AQHI) is a scale developed to help people understand what the current air quality ...
City installing AC units for seniors as Toronto sizzles under another heat warning
The City of Toronto is providing free portable air conditioners to low-income, vulnerable seniors as part of a pilot program ...
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 New York Times2y
Air Quality in Toronto Is Among the Worst in the World
Environment Canada warned on Thursday that poor air quality in the Toronto area would likely last into Friday. “Wildfire smoke can be harmful to everyone’s health even at low concentrations ...