Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 6am
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4 9am
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20 12pm
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20 3pm
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20 6pm
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21
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Station readings
4
CAMS model adj -4
25
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Air Quality Forecast (24h)

PM2.51.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

42
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
6
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 1.4 µg/m³
18
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.3 µg/m³
17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³

Nearby Cities

17 Thunder Bay 29 Marquette 24 Duluth 20 Superior 32 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T09:37 UTC.