Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
44 6am
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43 9am
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43 12pm
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43 3pm
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43 6pm
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CAMS model adj +19
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Air Quality Trend (24h)

PM2.54.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

19
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.6 µg/m³
19
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.6 µg/m³
16
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 3.8 µg/m³

Nearby Cities

18 Thunder Bay 31 Marquette 17 Duluth 17 Superior 37 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T09:00 UTC.