Thunder Bay, Ontario, Canada
Monitoring Station
· Thunder Bay, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
28
9am
27
27
17
12pm
27
27
27
3pm
27
27
27
6pm
27
27
27
9pm
27
27
—
12am
—
—
—
3am
—
—
—
6am
—
—
Station readings
17
CAMS model
adj +3
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
Air Quality Trend (24h)
PM2.54.1 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 2026-04-15T12:18 UTC.