Stay updated with real-time air quality in Hudson, 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)
36
Good
Hudson, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.54 μg/m³
0
55
155
255
425
605+
38.99 ppb
0
55
71
86
201
201+
0.69 ppb
0
36
76
186
605
1005+
4.97 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hudson, Wisconsin
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AQI 36
Good
3.38μg/m³
PM2.5
15.60μg/m³
PM10
38.74ppb
O3
0.69ppb
SO2
3.92ppb
NO2
0.32ppm
CO
AQI 37
Good
3.30μg/m³
PM2.5
13.84μg/m³
PM10
40.34ppb
O3
0.69ppb
SO2
3.99ppb
NO2
0.32ppm
CO
AQI 34
Good
3.99μg/m³
PM2.5
18.10μg/m³
PM10
36.91ppb
O3
0.69ppb
SO2
5.77ppb
NO2
0.32ppm
CO
AQI 36
Good
3.36μg/m³
PM2.5
16.55μg/m³
PM10
38.57ppb
O3
0.68ppb
SO2
4.40ppb
NO2
0.32ppm
CO
AQI 34
Good
4.07μg/m³
PM2.5
18.47μg/m³
PM10
36.82ppb
O3
0.69ppb
SO2
5.86ppb
NO2
0.32ppm
CO
AQI 34
Good
3.67μg/m³
PM2.5
16.62μg/m³
PM10
37.02ppb
O3
0.69ppb
SO2
5.57ppb
NO2
0.32ppm
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 Hudson, Wisconsin is updated every hour.
The worst air quality in Hudson, Wisconsin in the last 24 hours was observed at 07:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in Hudson, Wisconsin was observed at 11:00:00 on 2026-03-09.
The current air quality in Hudson, Wisconsin is 36, categorized as Good based on real-time data.
The most common pollutant in Hudson, Wisconsin is O3.
If the air quality in Hudson, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Hudson, Wisconsin is 2.989 μg/m3.
The current PM10 concentration at Hudson, Wisconsin is 13.544 μg/m3.
The current carbon monoxide (CO) concentration at Hudson, Wisconsin is 0.348 ppm.
The current sulfur dioxide (SO2) concentration at Hudson, Wisconsin is 0.689 ppb.
The current ozone (O3) concentration at Hudson, Wisconsin is 38.995 ppm.
The current nitrogen dioxide (NO2) concentration at Hudson, Wisconsin is 4.974 ppb.
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