Toronto Downtown: current Air Quality Health Index (AQHI)

Calculated at 11:00 pm EDT Thursday, July 3, 2025

2
2 pointer
1
2
3
4
5
6
7
8
9
10
+
low risk
(1 - 3)
moderate risk
(4 - 6)
high risk
(7 - 10)
very high risk

Forecast for Toronto Downtown


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Forecasts not available

Health message for Toronto Downtown

At-risk population:

General population:

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.