Mississauga - Air Quality Health Index
Calculated at: 7:00 AM EST Saturday 6 December 2025
3Low Risk
2
3
4
5
6
7
8
9
10
+
Moderate Risk
(4-6)
High Risk
(7-10)
Very High Risk
At-Risk Population:
- Enjoy your usual outdoor activities.
- Find out if you are at risk
General Population:
- Ideal air quality for outdoor activities.
Issued at: 6:00 AM EST Saturday 6 December 2025
Saturday
3
- Low Risk
Saturday night
3
- Low Risk
Sunday
4
- Moderate 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, your physician, or your local health authority.
Visit the national AQHI Web site to learn more about the AQHI.
Did you know...?
People who are most vulnerable and sensitive to the effects of air pollution should learn to recognize when air quality is deteriorating and protect their health accordingly.
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
