Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
53 11am
74
74
21 2pm
75
75
74 5pm
74
75
75 8pm
74
74
75 11pm
75
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Station readings
53
21
CAMS model adj +50
24
24
24
24
25
25
24
24
25
25
24
24
25
25

Air Quality Trend (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³

Nearby Cities

21 Thunder Bay 24 Marquette 25 Duluth 25 Superior 25 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T14:11 UTC.