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
11 9am
14
17
14 12pm
14
14
14 3pm
14
14
14 6pm
14
14
14 9pm
15
15
— 12am
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— 3am
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Station readings
11
17
CAMS model adj -10
24
24
24
24
24
24
24
24
24
24
24
24
24
25
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 2026-08-10T12:42 UTC.