Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
23 5pm
24
33
53 8pm
82
145
160 11pm
160
173
160 2am
160
145
83 5am
82
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CAMS model adj -1
24
25
34
54
83
146
161
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174
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146
84
83

Air Quality Forecast (24h)

PM2.58.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

10
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 2.4 µg/m³
19
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.6 µg/m³

Nearby Cities

21 Thunder Bay 25 Marquette 26 Duluth 38 Superior 12 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:12 UTC.