Stay updated with real-time air quality in Wisconsin, USA 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)
54
Moderate
Wisconsin, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.52 μg/m³
0
55
155
255
425
605+
20.15 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
10.00 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wisconsin, USA
Wisconsin, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 54
Moderate
11.10μg/m³
PM2.5
46.69μg/m³
PM10
22.50ppb
O3
0.60ppb
SO2
9.97ppb
NO2
0.27ppm
CO
AQI 60
Moderate
14.12μg/m³
PM2.5
60.83μg/m³
PM10
18.91ppb
O3
0.60ppb
SO2
13.26ppb
NO2
0.24ppm
CO
AQI 44
Good
7.97μg/m³
PM2.5
34.36μg/m³
PM10
19.33ppb
O3
0.25ppb
SO2
5.77ppb
NO2
0.25ppm
CO
AQI 66
Moderate
17.17μg/m³
PM2.5
68.72μg/m³
PM10
21.39ppb
O3
0.78ppb
SO2
13.19ppb
NO2
0.27ppm
CO
AQI 38
Good
6.65μg/m³
PM2.5
26.89μg/m³
PM10
20.58ppb
O3
0.33ppb
SO2
6.37ppb
NO2
0.24ppm
CO
AQI 73
Moderate
21.01μg/m³
PM2.5
59.01μg/m³
PM10
19.79ppb
O3
1.30ppb
SO2
11.03ppb
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 Wisconsin, USA are available every hour.
Wisconsin, USA experienced its worst air quality at 08:00:00, 2025-12-06.
The best air quality in Wisconsin, USA was observed at 07:00:00 on 2025-12-06.
The air quality in Wisconsin, USA right now is Good, with an AQI of 49.
In Wisconsin, USA, PM2.5 is the most frequently found pollutant.
When air quality in Wisconsin, USA is compromised, staying indoors and wearing a mask can reduce health risks.
Wisconsin, USA currently has a PM2.5 concentration of 9.455 μg/m3.
Wisconsin, USA currently has a PM10 concentration of 34.969 μg/m3.
The current carbon monoxide (CO) level in Wisconsin, USA is 0.253 ppm.
The current sulfur dioxide (SO2) concentration in Wisconsin, USA is 0.775 ppb.
Wisconsin, USA currently has an ozone (O3) concentration of 20.675 ppm.
The current level of nitrogen dioxide (NO2) in Wisconsin, USA is 9.893 ppb.
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