Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
72 9pm
72
21
72 12am
72
79
79 3am
72
72
72 6am
72
72
72 9am
72
72
— 12pm
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Station readings
21
CAMS model adj +45
27
27
27
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27
34
34
27
27
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27

Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

50
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
25
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
25
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³

Nearby Cities

25 Thunder Bay 31 Marquette 34 Duluth 34 Superior 35 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T00:42 UTC.