Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
27 5am
12
25
12 8am
12
12
12 11am
12
12
12 2pm
12
12
12 5pm
12
12
— 8pm
—
—
— 11pm
—
—
— 2am
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

21
Thunder Bay, Ontario, Canada
0.0 km
31
Thunder Bay, Ontario, Canada
0.0 km
26
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 2026-04-10T08:35 UTC.