Yellowknife - Air Quality Health Index

Observed ConditionsFootnote †

Calculated at: 6:00 PM MST Tuesday 18 November 2025

2Low 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: 5:00 PM MST Tuesday 18 November 2025

Tuesday night

2 - Low Risk

Wednesday

1 - Low Risk

Wednesday night

1 - Low Risk

Thursday

2 - 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...?

You should limit the use of toxic paints, paint removers, stains, varnishes, waxes, glues, adhesives and cleaners on days when the air quality is high risk.


The AQHI is an initiative between Environment Canada, Health Canada and the Government of the Northwest Territories Departments of Environment and Climate Change and Health and Social Services.

AQHIScale

Observed ConditionsFootnote †


2 - Low Risk

Calculated at:

6:00 PM MST Tuesday 18 November 2025

 

Forecast Maximums


Tuesday night
2 - Low Risk



Wednesday
1 - Low Risk



Wednesday night
1 - Low Risk



Thursday
2 - Low Risk




Issued at:

5:00 PM MST Tuesday 18 November 2025

 

The AQHI is an initiative between Environment Canada, Health Canada and the Government of the Northwest Territories Departments of Environment and Climate Change and Health and Social Services.

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