Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
86
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

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AQI Forecast
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Air Quality Forecast (24h)

PM2.528.7 µg/m³ ×1.9 WHO
Moderate
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Nearby Monitoring Stations

19
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.6 µg/m³
26
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 6.2 µg/m³

Nearby Cities

32 Thunder Bay 24 Marquette 26 Duluth 26 Superior 36 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T22:32 UTC.