Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 5pm
37
46
66 8pm
95
158
173 11pm
173
186
173 2am
173
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CAMS model adj +12
24
25
34
54
83
146
161
161
174
161
161

Air Quality Forecast (24h)

PM2.52.4 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
19
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.6 µg/m³

Nearby Cities

23 Thunder Bay 25 Marquette 24 Duluth 35 Superior 12 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:44 UTC.