Toronto’s air quality among the worst in the world as wildfire smoke lingers. How long will it last?
- Posted on July 16, 2025
- By The Toronto Star
- 1 Views

Toronto’s air quality among the worst in the world as wildfire smoke lingers. How long will it last?

Wildfire smoke has been blowing into the city since Sunday though residents should should expect some relief by early morning Thursday, Environment Canada said.