Stay updated with real-time air quality in Elkhorn, 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)
33
Good
Elkhorn, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.22 μg/m³
0
55
155
255
425
605+
30.89 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
2.65 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Elkhorn, Wisconsin
Elkhorn, Wisconsin
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AQI 27
Good
5.27μg/m³
PM2.5
17.28μg/m³
PM10
29.25ppb
O3
0.25ppb
SO2
2.81ppb
NO2
0.25ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
24.73μg/m³
PM10
28.75ppb
O3
0.37ppb
SO2
2.57ppb
NO2
0.23ppm
CO
AQI 33
Good
5.83μg/m³
PM2.5
24.27μg/m³
PM10
26.49ppb
O3
0.36ppb
SO2
2.53ppb
NO2
0.23ppm
CO
AQI 27
Good
5.14μg/m³
PM2.5
18.29μg/m³
PM10
28.99ppb
O3
0.25ppb
SO2
3.15ppb
NO2
0.25ppm
CO
AQI 33
Good
5.69μg/m³
PM2.5
17.97μg/m³
PM10
29.01ppb
O3
0.39ppb
SO2
2.48ppb
NO2
0.23ppm
CO
AQI 27
Good
5.15μg/m³
PM2.5
23.48μg/m³
PM10
27.11ppb
O3
0.28ppb
SO2
2.63ppb
NO2
0.24ppm
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 Elkhorn, Wisconsin is updated every hour.
The worst air quality in Elkhorn, Wisconsin in the last 24 hours was observed at 11:00:00 on 2026-08-15.
In the last 24 hrs, the best air quality in Elkhorn, Wisconsin was observed at 11:00:00 on 2026-08-16.
The current air quality in Elkhorn, Wisconsin is 33, categorized as Good based on real-time data.
The most common pollutant in Elkhorn, Wisconsin is PM2.5.
If the air quality in Elkhorn, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Elkhorn, Wisconsin is 5.717 μg/m3.
The current PM10 concentration at Elkhorn, Wisconsin is 19.217 μg/m3.
The current carbon monoxide (CO) concentration at Elkhorn, Wisconsin is 0.241 ppm.
The current sulfur dioxide (SO2) concentration at Elkhorn, Wisconsin is 0.266 ppb.
The current ozone (O3) concentration at Elkhorn, Wisconsin is 30.891 ppm.
The current nitrogen dioxide (NO2) concentration at Elkhorn, Wisconsin is 2.653 ppb.
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