Burlington - Air Quality Health Index
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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.
Saturday
Saturday night
Sunday
Sunday 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...?
High levels of air pollution can trigger or worsen asthma attacks. Asthma is the #1 cause of hospital admissions among children.
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.

Observed ConditionsFootnote †
1 - Low Risk
Calculated at:
5:00 AM EDT Saturday 31 October 2026
Forecast Maximums
Issued at:
6:00 AM EDT Saturday 31 October 2026
The AQHI is an initiative between Environment Canada, Health Canada and the Province of Ontario.
Features
View yesterday's weather data
Check out weather conditions from the previous day using the Past Data link on each location page.
- Date modified: