Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 9am
17
22
22 12pm
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22
22 3pm
22
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22 6pm
22
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22 9pm
23
23
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Station readings
17
CAMS model adj -2
24
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25

Air Quality Forecast (24h)

PM2.54.1 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
17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
21
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³

Nearby Cities

24 Thunder Bay 24 Marquette 23 Duluth 27 Superior 28 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T12:41 UTC.