Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
58 10am
39
17
39 1pm
39
39
39 4pm
39
39
39 7pm
39
39
40 10pm
40
40
— 1am
—
—
— 4am
—
—
— 7am
—
—
Station readings
58
17
CAMS model adj +15
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25

Air Quality Forecast (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

42
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
17
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³

Nearby Cities

24 Thunder Bay 24 Marquette 23 Duluth 27 Superior 28 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T13:45 UTC.