Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
121
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
12 9pm
12
12
12 12am
12
12
12 3am
12
12
12 6am
12
12
12 9am
12
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— 12pm
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— 3pm
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— 6pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

33
Thunder Bay, Ontario, Canada
0.0 km
31
Thunder Bay, Ontario, Canada
0.0 km
33
Thunder Bay, Ontario, Canada
0.0 km

Nearby Cities

12 Thunder Bay 18 Marquette 18 Duluth 18 Superior 18 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:27 UTC.