Toronto Downtown: Current Air Quality Health Index
Calculated at 9:00 pm EDT Wednesday, April 30, 2025
4
1
2
3
4
5
6
7
8
9
10
+
Low Risk
(1 - 3)
(1 - 3)
Moderate Risk
(4 - 6)
(4 - 6)
High Risk
(7 - 10)
(7 - 10)
Very High Risk
Forecast for Toronto Downtown
- Forecast Air Quality Health Index maximums for Toronto Downtown
- Issued at: 5:00 pm EDT April 30, 2025
| Period | Forecast Maximum (Issued at 5:00 pm EDT April 30, 2025) | |
|---|---|---|
| Wednesday Night | 3 - Low Risk |  |
| Thursday | 3 - Low Risk | |
Health Message for Toronto Downtown
- Current Air Quality Health Index: 4
- Calculated at 9:00 pm EDT Wednesday, April 30, 2025
- Risk: Moderate
At-Risk Population:
- Consider reducing or rescheduling strenuous activities outdoors if you are experiencing symptoms.
- Find out if you are at risk
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.
