St. John's - 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.
Friday night
Saturday
Saturday night
Sunday
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 healthy people can have difficulty breathing on days when the index is high.
The AQHI is an initiative between Environment Canada, Health Canada, the Department of Environment and Climate Change, and the Department of Health and Community Services of Newfoundland and Labrador.

Observed ConditionsFootnote †
2 - Low Risk
Calculated at:
4:30 AM NDT Saturday 31 October 2026
Forecast Maximums
Issued at:
5:00 PM NDT Friday 30 October 2026
The AQHI is an initiative between Environment Canada, Health Canada, the Department of Environment and Climate Change, and the Department of Health and Community Services of Newfoundland and Labrador.
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: