Calculated at 4:00 am EDT Wednesday, September 3, 2025
Period | Forecast maximum (Issued at 5:00 pm EDT September 2, 2025) | |
---|---|---|
Tuesday | 4 - Moderate Risk | ![]() |
Tuesday night | 4 - Moderate Risk | ![]() |
Wednesday | 4 - Moderate Risk | ![]() |
See the Ontario Ministry of the Environment, Conservation and Parks air quality health messages.
Note: AQHI readings on this web page are based on automatically polled data and have not undergone final verification.