Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
34 5pm
35
19
64 8pm
93
156
171 11pm
171
184
171 2am
171
156
94 5am
93
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Station readings
19
CAMS model adj +10
24
25
34
54
83
146
161
161
174
161
161
146
84
83

Air Quality Forecast (24h)

PM2.54.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

35
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 8.4 µg/m³
10
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 2.4 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 2026-07-21T20:10 UTC.