Saint John - Air Quality Health Index
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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...?
Even modest increases in air pollution can cause small but measurable increases in the use of medication, emergency room visits, hospital admissions and premature death.
The AQHI is an initiative between Environment Canada, Health Canada, and the New Brunswick Department of Environment and Local Government and the New Brunswick Department of Health in partnership with the New Brunswick Lung Association.

Observed ConditionsFootnote †
2 - Low Risk
Calculated at:
2:00 AM AST Monday 2 November 2026
Forecast Maximums
Issued at:
5:00 PM AST Sunday 1 November 2026
The AQHI is an initiative between Environment Canada, Health Canada, and the New Brunswick Department of Environment and Local Government and the New Brunswick Department of Health in partnership with the New Brunswick Lung Association.
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: