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
28 3am
13
21
21 6am
21
21
21 9am
21
21
21 12pm
18
19
19 3pm
19
19
— 6pm
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—
— 9pm
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— 12am
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Station readings
13
CAMS model adj -6
34
27
27
27
27
27
27
27
27
27
24
25
25
25
25

Air Quality Forecast (24h)

PM2.53.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
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 2026-08-08T06:32 UTC.