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)
16
Good
La Crosse, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.28 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.93 μg/m³
0
55
155
255
425
605+
15.00 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
3.17 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
La Crosse, Wisconsin
La Crosse, Wisconsin
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AQI 21
Good
2.47μg/m³
PM2.5
14.32μg/m³
PM10
22.54ppb
O3
0.28ppb
SO2
6.29ppb
NO2
0.16ppm
CO
AQI 21
Good
2.74μg/m³
PM2.5
12.34μg/m³
PM10
22.75ppb
O3
0.28ppb
SO2
6.29ppb
NO2
0.16ppm
CO
AQI 19
Good
2.68μg/m³
PM2.5
12.27μg/m³
PM10
20.11ppb
O3
0.31ppb
SO2
5.61ppb
NO2
0.17ppm
CO
AQI 17
Good
1.80μg/m³
PM2.5
8.01μg/m³
PM10
18.02ppb
O3
0.35ppb
SO2
3.85ppb
NO2
0.18ppm
CO
AQI 24
Good
2.84μg/m³
PM2.5
10.14μg/m³
PM10
26.16ppb
O3
0.43ppb
SO2
5.17ppb
NO2
0.18ppm
CO
AQI 19
Good
2.80μg/m³
PM2.5
7.21μg/m³
PM10
20.05ppb
O3
0.47ppb
SO2
6.28ppb
NO2
0.17ppm
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 10:00:00 on 2025-09-05.
In the last 24 hrs, the best air quality in La Crosse, Wisconsin was observed at 01:00:00 on 2025-09-06.
The current air quality in La Crosse, Wisconsin is 16, 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 2.279 μg/m3.
The current PM10 concentration at La Crosse, Wisconsin is 16.935 μg/m3.
The current carbon monoxide (CO) concentration at La Crosse, Wisconsin is 0.162 ppm.
The current sulfur dioxide (SO2) concentration at La Crosse, Wisconsin is 0.41 ppb.
The current ozone (O3) concentration at La Crosse, Wisconsin is 15.001 ppm.
The current nitrogen dioxide (NO2) concentration at La Crosse, Wisconsin is 3.165 ppb.
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