Air Quality in La Crosse, United States
Windy
19.0°C · 29.5% humidity
19.0°
Feels 19.0°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
La Crosse's air quality — share it
AQI Forecast
Calibrated
17
9am
17
17
24
12pm
22
21
20
3pm
20
19
19
6pm
19
20
18
9pm
18
18
18
12am
18
18
18
3am
18
17
18
6am
18
17
Station readings
14
17
20
27
CAMS model
adj -7
24
24
24
25
25
25
25
25
25
25
25
27
25
25
25
25
25
25
25
25
24
25
25
24
Air Quality Index Trend
48h · 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.
29.5%
Humidity
49.8 km/h
Wind NNW
1020.6 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.8 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for La Crosse?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.55.8 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (1 station within 25 km)
5.8
Median
5.8
Average
5.8
Low
5.8
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.4
What is the 7-day forecast for La Crosse?
09-05
21.5° 16.6°
0.5 mm
09-06
27.0° 8.8°
1.88 mm
09-07
23.9° 16.0°
09-08
22.5° 12.8°
32.25 mm
09-09
30.0° 14.0°
0.13 mm
09-10
26.6° 19.7°
5.81 mm
09-11
21.9° 15.8°
0.06 mm
Both models agree
Avg diff: 6.3°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 2026-09-05T17:55 UTC.