Thunder Bay, Ontario, Canada Air Quality

Monitoring Station · Thunder Bay, Canada
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
27 12am
27
16
34 3am
27
27
27 6am
27
27
27 9am
27
27
27 12pm
24
25
— 3pm
—
—
— 6pm
—
—
— 9pm
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Station readings
16
CAMS model
27
27
34
34
27
27
27
27
27
27
27
27
27
24
25

Air Quality Forecast (24h)

PM2.53.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

50
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
15
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 3.6 µg/m³
25
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
21
Thunder Bay, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³

Nearby Cities

25 Thunder Bay 31 Marquette 34 Duluth 34 Superior 35 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:25 UTC.