Kitchener - Air Quality Health Index
2Low Risk
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.
Sunday night
Monday
Monday night
Tuesday
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...?
Gas barbecues are a better environmental choice than charcoal barbecues.
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

Observed ConditionsFootnote †
2 - Low Risk
Calculated at:
11:00 PM EDT Sunday 6 September 2026
Forecast Maximums
Issued at:
5:00 PM EDT Sunday 6 September 2026
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
Improved storm alerts
Learn more about targeted warnings for severe thunderstorms and tornadoes
- Date modified: