Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
30 8pm
57
30
21 11pm
30
31
31 2am
31
31
31 5am
31
31
31 8am
31
30
— 11am
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Station readings
57
21
CAMS model adj +6
24
24
24
24
24
25
25
25
25
25
25
25
25
25
24

Air Quality Trend (24h)

PM2.55.0 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
38
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³

Nearby Cities

37 Thunder Bay 24 Marquette 26 Duluth 26 Superior 22 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T23:45 UTC.