Calculated at 5:00 am EST Tuesday, December 23, 2025

| Period | Forecast maximum (Issued at 5:00 pm EST December 22, 2025) | |
|---|---|---|
| Monday | 3 - Low Risk | ![]() |
| Monday night | 2 - Low Risk | ![]() |
| Tuesday | 2 - Low 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.