Wildfire smoke ranks Toronto's air worst among major cities as blazes spread
Toronto recorded the worst air quality among major cities from wildfire smoke, while Canada reported more than 900 fires and northern Minnesota passed 77,000 acres burned.
Wednesday, October 28, 2026 · One sheet · Every desk
Toronto recorded the worst air quality among major cities from wildfire smoke, while Canada reported more than 900 fires and northern Minnesota passed 77,000 acres burned.