Calculated at 1:00 am EDT Thursday, April 23, 2026
4

low risk
(1 - 3)
moderate risk
(4 - 6)
high risk
(7 - 10)
very high risk
Forecast for Mississauga
- Forecast Air Quality Health Index maximums for Mississauga
- Issued at: 5:00 pm EDT April 22, 2026
Forecast Air Quality Health Index maximums for Mississauga
| Wednesday | 4 - Moderate Risk |  |
| Wednesday night | 3 - Low Risk |  |
| Thursday | 3 - Low Risk |  |
Health message for Mississauga
- Current Air Quality Health Index:
4
- Calculated at 1:00 am EDT Thursday, April 23, 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.