Air Quality in Thunder Bay, Canada
Drizzle
3.1°C · 80.9% humidity
3.1°
Feels -3.9°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
12
2pm
12
12
12
5pm
12
12
12
8pm
12
12
12
11pm
12
12
12
2am
12
12
12
5am
12
12
12
8am
12
12
12
11am
12
12
80.9%
Humidity
48.4 km/h
Wind WNW
1013.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Thunder Bay?
Temperature & Precipitation
PM2.54.4 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Thunder Bay?
04-09
3.1° -1.3°
6.13 mm
04-10
1.2° -3.9°
0.88 mm
04-11
5.1° -4.7°
0.25 mm
04-12
0.9° -0.5°
0.13 mm
04-13
2.9° 0.2°
8.19 mm
04-14
1.6° -4.4°
1.44 mm
04-15
0.6° -8.2°
0.81 mm
Both models agree
Avg diff: 3.0°C
Where are air quality stations near Thunder Bay?
What cities are near Thunder Bay?
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T17:33 UTC.