Brampton - 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.
Wednesday
Wednesday night
Thursday
Thursday night
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...?
Climate change results in more frequent and severe heat waves, which make smog and air pollution worse.
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

Observed ConditionsFootnote †
2 - Low Risk
Calculated at:
9:00 AM EDT Wednesday 11 March 2026
Forecast Maximums
Issued at:
6:00 AM EDT Wednesday 11 March 2026
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
Features
New: Colour-coded weather alerts
Learn more about weather alerting in Canada
- Date modified: