Ottawa Downtown: current Air Quality Health Index (AQHI)

Calculated at 4:00 pm EDT Tuesday, July 15, 2025

4
4 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 Ottawa Downtown

Forecast Air Quality Health Index maximums for Ottawa Downtown
PeriodForecast maximum (Issued at 6:00 am EDT July 15, 2025)
Tuesday5 - Moderate Risk Moderate Risk, Tuesday
Tuesday night4 - Moderate Risk Moderate Risk, Tuesday night
Wednesday3 - Low Risk Low Risk, Wednesday

Health message for Ottawa 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.