Toronto Downtown: current Air Quality Health Index (AQHI)

Calculated at 4:00 am EDT Monday, July 14, 2025

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

Forecast Air Quality Health Index maximums for Toronto Downtown
PeriodForecast maximum (Issued at 12:08 am EDT July 14, 2025)
Monday night9 - High Risk High Risk, Monday night
Tuesday5 - Moderate Risk Moderate Risk, Tuesday

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.