St. John's - 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 night
Thursday
Thursday night
Friday
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...?
Children are more vulnerable to air pollution: they spend more active time outdoors, especially in summer when pollution levels are higher.
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:
9:30 PM NDT Wednesday 3 June 2026
Forecast Maximums
Issued at:
5:00 PM NDT Wednesday 3 June 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
Colour-coded weather alerts
Learn more about weather alerting in Canada
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