Calculated at 2:00 am EDT Sunday, July 19, 2026

| Period | Forecast maximum (Issued at 5:39 pm EDT July 18, 2026) | |
|---|---|---|
| Saturday | 7 - High Risk | ![]() |
| Saturday night | 5 - Moderate Risk | ![]() |
| Sunday | 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.