St. John's - Air Quality Health Index

Observed ConditionsFootnote †

Calculated at: 10:30 AM NDT Tuesday 28 April 2026

3Low Risk




1
2
3
4
5
6
7
8
9
10
+

Low Risk
(1-3)

Moderate Risk
(4-6)

High Risk
(7-10)

Very High Risk



At-Risk Population:

General Population:

  • Ideal air quality for outdoor activities.

Forecast Maximums

Issued at: 6:00 AM NDT Tuesday 28 April 2026

Tuesday

3 - Low Risk

Tuesday night

3 - Low Risk

Wednesday

3 - Low Risk

Wednesday night

3 - Low Risk

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.

AQHIScale

Observed ConditionsFootnote †


3 - Low Risk

Calculated at:

10:30 AM NDT Tuesday 28 April 2026

 

Forecast Maximums


Tuesday
3 - Low Risk



Tuesday night
3 - Low Risk



Wednesday
3 - Low Risk



Wednesday night
3 - Low Risk




Issued at:

6:00 AM NDT Tuesday 28 April 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.

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