Stay updated with real-time air quality in Holmen, 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)
34
Good
Holmen, 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+
14.46 μg/m³
0
55
155
255
425
605+
36.83 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
2.79 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Holmen, Wisconsin
Holmen, Wisconsin
Scroll To Air Quality MapLoading...
AQI 34
Good
5.55μg/m³
PM2.5
18.19μg/m³
PM10
37.44ppb
O3
0.57ppb
SO2
2.79ppb
NO2
0.24ppm
CO
AQI 37
Good
5.54μg/m³
PM2.5
18.34μg/m³
PM10
39.98ppb
O3
0.56ppb
SO2
2.78ppb
NO2
0.24ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
14.61μg/m³
PM10
31.89ppb
O3
0.60ppb
SO2
2.81ppb
NO2
0.24ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
12.41μg/m³
PM10
39.91ppb
O3
0.59ppb
SO2
2.92ppb
NO2
0.23ppm
CO
AQI 33
Good
5.69μg/m³
PM2.5
24.97μg/m³
PM10
33.98ppb
O3
0.65ppb
SO2
2.81ppb
NO2
0.25ppm
CO
AQI 38
Good
6.50μg/m³
PM2.5
18.80μg/m³
PM10
33.84ppb
O3
0.60ppb
SO2
2.94ppb
NO2
0.23ppm
CO
The air quality data for Wisconsin, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Holmen, Wisconsin are available every hour.
Holmen, Wisconsin experienced its worst air quality at 01:00:00, 2026-06-07.
The best air quality in Holmen, Wisconsin was observed at 09:00:00 on 2026-06-08.
The air quality in Holmen, Wisconsin right now is Good, with an AQI of 34.
In Holmen, Wisconsin, O3 is the most frequently found pollutant.
When air quality in Holmen, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.
Holmen, Wisconsin currently has a PM2.5 concentration of 5.721 μg/m3.
Holmen, Wisconsin currently has a PM10 concentration of 14.457 μg/m3.
The current carbon monoxide (CO) level in Holmen, Wisconsin is 0.242 ppm.
The current sulfur dioxide (SO2) concentration in Holmen, Wisconsin is 0.573 ppb.
Holmen, Wisconsin currently has an ozone (O3) concentration of 36.827 ppm.
The current level of nitrogen dioxide (NO2) in Holmen, Wisconsin is 2.792 ppb.
All Rights Reserved © Ambee Inc. 2025