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...?
You can plant trees to fight air pollution: their leaves trap airborne particles, which are then washed away by the rain.
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:
12:30 AM NDT Thursday 14 May 2026
Forecast Maximums
Issued at:
5:00 PM NDT Wednesday 13 May 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
- Date modified: