Air Quality in Yellowknife, Canada
Partly Cloudy
17.4°C · 53.5% humidity
17.4°
Feels 17.4°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
AQI Forecast
54
8am
34
34
54
11am
48
44
41
2pm
39
58
57
5pm
56
35
28
8pm
26
26
25
11pm
25
27
27
2am
27
27
27
5am
27
84
Air Quality Index Trend
13h · 1 stnYellowknife's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
53.5%
Humidity
21.7 km/h
Wind SSW
1010.2 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
13.7 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Yellowknife?
Temperature & Precipitation
PM2.5 Trend
13h · 1 stationPM2.513.7 µg/m³
✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX6.9
High
What is the 7-day forecast for Yellowknife?
07-21
21.2° 9.0°
07-22
20.4° 11.9°
1.31 mm
07-23
25.7° 6.0°
07-24
27.0° 6.4°
07-25
24.8° 14.9°
0.06 mm
07-26
22.0° 11.5°
07-27
21.7° 14.2°
1.75 mm
Both models agree
Avg diff: 5.9°C
Where are air quality stations near Yellowknife?
27
Yellowknife, NorthWestTerritories, Canada
26
Yellowknife, NorthWestTerritories, Canada
36
Yellowknife, NorthWestTerritories, Canada
41
Yellowknife, NorthWestTerritories, Canada
30
Yellowknife, NorthWestTerritories, Canada
30
Yellowknife, NorthWestTerritories, Canada
41
Niven Lake 1, NorthWestTerritories, Canada
107
N'Dilo 1, NorthWestTerritories, Canada
28
N'Dilo 1, NorthWestTerritories, Canada
39
Marina 1, NorthWestTerritories, Canada
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.