Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 4am
25
21
30 7am
25
25
25 10am
25
25
25 1pm
25
26
26 4pm
25
25
— 7pm
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—
— 10pm
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— 1am
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Station readings
21
30
CAMS model adj +1
24
24
24
24
24
24
24
24
24
24
24
25
25
24
24

Air Quality Trend (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
25
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³

Nearby Cities

25 Thunder Bay 24 Marquette 24 Duluth 24 Superior 28 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T07:45 UTC.