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
60 10pm
21
60
60 1am
67
67
60 4am
60
60
60 7am
60
60
60 10am
60
60
— 1pm
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—
— 4pm
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— 7pm
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Station readings
21
CAMS model adj +33
27
27
27
27
34
34
27
27
27
27
27
27
27
27
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
30
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 7.2 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 2026-08-08T01:31 UTC.