Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
47 5pm
47
47
34 8pm
47
47
47 11pm
47
48
48 2am
48
48
48 5am
48
48
— 8am
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Station readings
34
CAMS model adj +23
24
24
24
24
24
24
24
24
25
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³
25
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³

Nearby Cities

30 Thunder Bay 7 Marquette 17 Duluth 17 Superior 10 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T20:24 UTC.