Thunder Bay, Ontario, Canada Air Quality
Monitoring Station
· Thunder Bay, Canada
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
19
7pm
11
11
11
10pm
11
12
12
1am
12
12
12
4am
12
12
11
7am
11
11
—
10am
—
—
—
1pm
—
—
—
4pm
—
—
CAMS model
adj -13
24
24
24
24
24
25
25
25
25
25
25
25
24
24
24
Air Quality Forecast (24h)
PM2.54.6 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T22:32 UTC.