Calculated at 7:00 pm EDT Monday, June 30, 2025
3

low risk
(1 - 3)
moderate risk
(4 - 6)
high risk
(7 - 10)
very high risk
Forecast for Cornwall
- Forecast Air Quality Health Index maximums for Cornwall
- Issued at: 5:00 pm EDT June 30, 2025
Forecast Air Quality Health Index maximums for Cornwall
Monday night | 3 - Low Risk |  |
Tuesday | 2 - Low Risk |  |
Health message for Cornwall
- Current Air Quality Health Index:
3
- Calculated at 7:00 pm EDT Monday, June 30, 2025
- Risk: Low
At-risk population:
General population:
- Ideal air quality for outdoor activities.
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.