Grand Portage, Minnesota, USA Air Quality

Monitoring Station · Thunder Bay, Canada
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
95 11pm
36
108
95 2am
95
80
18 5am
17
0
0 8am
0
0
0 11am
0
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Station readings
36
CAMS model adj -66
161
161
174
161
161
146
84
83
66
54
54
54
54
66

Air Quality Forecast (24h)

PM2.58.6 µg/m³ ✓ WHO
Good
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Nearby Cities

20 Thunder Bay 18 Duluth 16 Superior 84 Marquette 12 Hibbing 41 Forest Lake 45 Elk River 45 Otsego

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T02:12 UTC.