Climate
Wildfires in Ontario Drive Toronto Air Quality to Worst Globally, Force Evacuations
July 15, 2026 at 05:29 PM
Coverage
3 reports · over 2 hours
More than 100 active wildfires in northern Ontario have made Toronto's air quality the worst in the world and prompted evacuations from First Nations communities.
- Environment Canada issued health warnings after smoke from the wildfires caused yellow, smoky air over Toronto.
- IQAir ranked Toronto's air quality the worst in the world on Wednesday, as the city also recorded a record high of 37.3C.
- Canadian National confirmed that a train crew near Armstrong, Ontario, was safely evacuated as flames surrounded the locomotive.
- Ontario provincial representative Lise Vaugeois said the community of Collins has burned to the ground but that everyone got out safely.


