Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
24 2am
24
13
17 5am
17
17
17 8am
17
17
17 11am
17
14
15 2pm
15
15
— 5pm
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— 8pm
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— 11pm
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Station readings
13
CAMS model adj -10
34
34
27
27
27
27
27
27
27
27
27
24
25
25
25

Air Quality Forecast (24h)

PM2.53.1 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
21
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 5.0 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 2026-08-08T05:42 UTC.