Thunder Bay, Ontario, Canada

Monitoring Station · Thunder Bay, Canada
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
12 7am
12
30
12 10am
12
25
25 1pm
25
25
25 4pm
25
12
12 7pm
12
—
— 10pm
—
—
— 1am
—
—
— 4am
—
—

Air Quality Trend (24h)

View city history →

Nearby Monitoring Stations

28
Thunder Bay, Ontario, Canada
0.0 km

Nearby Cities

18 Thunder Bay 12 Marquette 18 Duluth 18 Superior 25 Hibbing

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-12T10:00 UTC.