Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
70 7am
59
70
70 10am
70
70
69 1pm
69
69
69 4pm
69
69
69 7pm
69
69
— 10pm
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—
— 1am
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— 4am
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Station readings
59
23
CAMS model adj +45
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24

Air Quality Trend (24h)

PM2.55.5 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

Nearby Cities

31 Thunder Bay 24 Marquette 25 Duluth 25 Superior 19 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T10:56 UTC.