Air Quality in Lethbridge, Canada
Windy
31.4°C · 13.4% humidity
31.4°
Feels 31.4°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Lethbridge's air quality — share it
AQI Forecast
34
8am
34
34
30
11am
27
27
27
2pm
27
27
27
5pm
27
25
25
8pm
25
24
24
11pm
24
24
24
2am
24
24
24
5am
24
25
Air Quality Index Trend
39h · 1 stnLethbridge's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
13.4%
Humidity
58.8 km/h
Wind SW
1006.0 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.1 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Lethbridge?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.57.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Lethbridge?
07-21
31.4° 14.2°
07-22
34.8° 11.6°
0.06 mm
07-23
31.5° 15.4°
07-24
35.8° 11.9°
3.13 mm
07-25
30.7° 14.6°
0.25 mm
07-26
37.3° 16.8°
07-27
31.7° 17.0°
Both models agree
Avg diff: 3.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.