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
15 7am
22
22
17 10am
22
22
22 1pm
22
22
22 4pm
22
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22 7pm
22
22
— 10pm
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Station readings
15
17
CAMS model adj -2
24
24
24
24
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24
24
24
24
24
24
24
24
24
24

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

Nearby Cities

28 Thunder Bay 25 Marquette 23 Duluth 23 Superior 22 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T10:19 UTC.