Toronto East - Air Quality Health Index

Observed ConditionsFootnote †

Calculated at: 3:00 PM EDT Saturday 5 September 2026

1Low Risk




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



At-Risk Population:

General Population:

  • Ideal air quality for outdoor activities.

Forecast Maximums

Issued at: 6:00 AM EDT Saturday 5 September 2026

Saturday

3 - Low Risk

Saturday night

3 - Low Risk

Sunday

3 - Low Risk

Sunday night

3 - Low Risk

Who is at risk?

People with heart and lung conditions are most affected by air pollution.

To find out if you are at risk, consult the health guide, or your physician.

Visit the national AQHI Web site to learn more about the AQHI.

Did you know...?

More than 12 million Canadians save the air by using public transit.


The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

AQHIScale

Observed ConditionsFootnote †


1 - Low Risk

Calculated at:

3:00 PM EDT Saturday 5 September 2026

 

Forecast Maximums


Saturday
3 - Low Risk



Saturday night
3 - Low Risk



Sunday
3 - Low Risk



Sunday night
3 - Low Risk




Issued at:

6:00 AM EDT Saturday 5 September 2026

 

The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

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