Calculated at 7:00 pm EDT Saturday, July 11, 2026
4

low risk
(1 - 3)
moderate risk
(4 - 6)
high risk
(7 - 10)
very high risk
Forecast for Ottawa Downtown
- Forecast Air Quality Health Index maximums for Ottawa Downtown
- Issued at: 5:00 pm EDT July 11, 2026
Forecast Air Quality Health Index maximums for Ottawa Downtown
| Saturday | 5 - Moderate Risk |  |
| Saturday night | 3 - Low Risk |  |
| Sunday | 2 - Low Risk |  |
Health message for Ottawa Downtown
- Current Air Quality Health Index:
4
- Calculated at 7:00 pm EDT Saturday, July 11, 2026
- Risk: Moderate
At-risk population:
General population:
- No need to modify your usual outdoor activities unless you experience symptoms such as coughing and throat irritation.
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.