Stay updated with real-time air quality in La Crosse, Wisconsin featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
44
Good
La Crosse, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.91 μg/m³
0
55
155
255
425
605+
31.00 ppb
0
55
71
86
201
201+
1.26 ppb
0
36
76
186
605
1005+
3.98 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
La Crosse, Wisconsin
La Crosse, Wisconsin
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AQI 56
Moderate
11.53μg/m³
PM2.5
40.79μg/m³
PM10
28.68ppb
O3
1.53ppb
SO2
4.18ppb
NO2
0.34ppm
CO
AQI 58
Moderate
12.53μg/m³
PM2.5
44.83μg/m³
PM10
27.38ppb
O3
1.52ppb
SO2
4.21ppb
NO2
0.34ppm
CO
AQI 64
Moderate
15.65μg/m³
PM2.5
63.14μg/m³
PM10
27.25ppb
O3
1.55ppb
SO2
4.43ppb
NO2
0.35ppm
CO
AQI 44
Good
7.61μg/m³
PM2.5
34.02μg/m³
PM10
31.00ppb
O3
1.55ppb
SO2
4.73ppb
NO2
0.36ppm
CO
AQI 67
Moderate
17.77μg/m³
PM2.5
75.25μg/m³
PM10
24.70ppb
O3
1.26ppb
SO2
4.77ppb
NO2
0.25ppm
CO
AQI 64
Moderate
15.92μg/m³
PM2.5
27.47μg/m³
PM10
29.01ppb
O3
1.47ppb
SO2
4.87ppb
NO2
0.34ppm
CO
Air quality data and pollutant measurements for Wisconsin, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for La Crosse, Wisconsin is updated every hour.
The worst air quality in La Crosse, Wisconsin in the last 24 hours was observed at 07:00:00 on 2025-07-21.
In the last 24 hrs, the best air quality in La Crosse, Wisconsin was observed at 03:00:00 on 2025-07-22.
The current air quality in La Crosse, Wisconsin is 44, categorized as Good based on real-time data.
The most common pollutant in La Crosse, Wisconsin is PM10.
If the air quality in La Crosse, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at La Crosse, Wisconsin is 8.323 μg/m3.
The current PM10 concentration at La Crosse, Wisconsin is 47.913 μg/m3.
The current carbon monoxide (CO) concentration at La Crosse, Wisconsin is 0.341 ppm.
The current sulfur dioxide (SO2) concentration at La Crosse, Wisconsin is 1.352 ppb.
The current ozone (O3) concentration at La Crosse, Wisconsin is 30.002 ppm.
The current nitrogen dioxide (NO2) concentration at La Crosse, Wisconsin is 4.478 ppb.
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