Air Quality in La Crosse, United States
Clear
27.4°C · 35.4% humidity
27.4°
Feels 27.4°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
La Crosse's air quality — share it
AQI Forecast
Calibrated
34
8pm
34
34
30
11pm
34
34
34
2am
34
34
34
5am
34
34
33
8am
33
33
34
11am
34
34
34
2pm
34
34
34
5pm
34
34
Station readings
34
34
33
27
CAMS model
adj +9
25
25
25
25
25
25
25
25
25
25
25
25
24
24
24
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
30h · 1 stnLa Crosse's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
35.4%
Humidity
12.9 km/h
Wind NW
1018.7 hPa
Pressure
5.9
UV High
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 La Crosse?
Temperature & Precipitation
PM2.5 Trend
30h · 1 stationPM2.57.1 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
Station readings (2 stations within 25 km)
7.1
Median
7.1
Average
7.0
Low
7.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.9
What is the 7-day forecast for La Crosse?
08-03
27.4° 16.4°
0.19 mm
08-04
27.0° 13.0°
0.81 mm
08-05
25.3° 9.9°
39.37 mm
08-06
37.7° 16.4°
08-07
29.0° 15.5°
1.0 mm
08-08
35.7° 15.3°
23.31 mm
08-09
36.0° 22.0°
2.75 mm
Both models agree
Avg diff: 4.7°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:48 UTC.