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)
39
Good
Elkhorn, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.07 μg/m³
0
55
155
255
425
605+
41.62 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
3.71 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Elkhorn, Wisconsin
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AQI 35
Good
4.17μg/m³
PM2.5
18.80μg/m³
PM10
37.77ppb
O3
0.72ppb
SO2
4.08ppb
NO2
0.22ppm
CO
AQI 33
Good
3.98μg/m³
PM2.5
17.26μg/m³
PM10
35.69ppb
O3
0.60ppb
SO2
3.19ppb
NO2
0.18ppm
CO
AQI 34
Good
3.45μg/m³
PM2.5
15.22μg/m³
PM10
36.65ppb
O3
0.45ppb
SO2
1.38ppb
NO2
0.16ppm
CO
AQI 36
Good
4.27μg/m³
PM2.5
14.09μg/m³
PM10
38.59ppb
O3
0.74ppb
SO2
6.33ppb
NO2
0.23ppm
CO
AQI 36
Good
5.05μg/m³
PM2.5
19.83μg/m³
PM10
39.45ppb
O3
0.73ppb
SO2
4.23ppb
NO2
0.18ppm
CO
AQI 36
Good
4.57μg/m³
PM2.5
19.64μg/m³
PM10
38.54ppb
O3
0.76ppb
SO2
4.10ppb
NO2
0.20ppm
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 02:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Elkhorn, Wisconsin was observed at 04:00:00 on 2026-03-09.
The current air quality in Elkhorn, Wisconsin is 39, categorized as Good based on real-time data.
The most common pollutant in Elkhorn, Wisconsin is O3.
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 5.312 μg/m3.
The current PM10 concentration at Elkhorn, Wisconsin is 23.072 μg/m3.
The current carbon monoxide (CO) concentration at Elkhorn, Wisconsin is 0.2 ppm.
The current sulfur dioxide (SO2) concentration at Elkhorn, Wisconsin is 0.715 ppb.
The current ozone (O3) concentration at Elkhorn, Wisconsin is 41.622 ppm.
The current nitrogen dioxide (NO2) concentration at Elkhorn, Wisconsin is 3.715 ppb.
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