Environment Canada says the smoke is causing or expected to cause poor air quality and reduced visibility that can fluctuate and vary hour by hour.

Most of the province remains under air quality statements due to wildfire smoke from northern Ontario and the Prairies. Here's what's expected in northwestern Ontario over the next few days, and what ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada. People are advised to limit outdoor exposure.

A Special Air Quality Statement is in effect for the area due to wildfire smoke. Environment Canada says that smoke from forest fires is expected to continue to affect much of southern Ontario ...

The previous record, set in 2021, was five days. The current alert is expected to last seven days. It will remain in effect ...