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
11
9am
14
17
14
12pm
14
14
14
3pm
14
14
14
6pm
14
14
14
9pm
15
15
—
12am
—
—
—
3am
—
—
—
6am
—
—
Station readings
11
17
CAMS model
adj -10
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
Air Quality Forecast (24h)
PM2.54.1 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
42
Thunder Bay, Ontario, Canada
17
Thunder Bay, Ontario, Canada
17
Thunder Bay, Ontario, Canada
21
Thunder Bay, Ontario, Canada
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T12:42 UTC.