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)
26
Good
Elkhorn, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.29 μg/m³
0
55
155
255
425
605+
28.40 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
6.15 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 28
Good
4.19μg/m³
PM2.5
30.00μg/m³
PM10
27.82ppb
O3
0.24ppb
SO2
6.67ppb
NO2
0.22ppm
CO
AQI 27
Good
5.07μg/m³
PM2.5
24.81μg/m³
PM10
28.76ppb
O3
0.29ppb
SO2
4.03ppb
NO2
0.18ppm
CO
AQI 33
Good
6.20μg/m³
PM2.5
28.50μg/m³
PM10
29.88ppb
O3
0.34ppb
SO2
1.70ppb
NO2
0.16ppm
CO
AQI 31
Good
3.87μg/m³
PM2.5
12.90μg/m³
PM10
32.94ppb
O3
0.24ppb
SO2
6.33ppb
NO2
0.23ppm
CO
AQI 45
Good
5.08μg/m³
PM2.5
48.90μg/m³
PM10
26.56ppb
O3
0.25ppb
SO2
5.63ppb
NO2
0.18ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
21.40μg/m³
PM10
26.45ppb
O3
0.25ppb
SO2
6.02ppb
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 04:00:00 on 2026-03-10.
In the last 24 hrs, the best air quality in Elkhorn, Wisconsin was observed at 12:00:00 on 2026-03-10.
The current air quality in Elkhorn, Wisconsin is 26, 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 4.165 μg/m3.
The current PM10 concentration at Elkhorn, Wisconsin is 13.288 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 0.241 ppb.
The current ozone (O3) concentration at Elkhorn, Wisconsin is 28.399 ppm.
The current nitrogen dioxide (NO2) concentration at Elkhorn, Wisconsin is 6.149 ppb.
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