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)
62
Moderate
Hudson, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
14.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.68 μg/m³
0
55
155
255
425
605+
41.74 ppb
0
55
71
86
201
201+
1.50 ppb
0
36
76
186
605
1005+
9.52 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hudson, Wisconsin
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AQI 64
Moderate
16.39μg/m³
PM2.5
60.70μg/m³
PM10
37.78ppb
O3
1.37ppb
SO2
12.67ppb
NO2
0.31ppm
CO
AQI 64
Moderate
16.28μg/m³
PM2.5
65.09μg/m³
PM10
38.38ppb
O3
1.36ppb
SO2
12.40ppb
NO2
0.31ppm
CO
AQI 62
Moderate
15.06μg/m³
PM2.5
67.71μg/m³
PM10
36.26ppb
O3
1.48ppb
SO2
14.51ppb
NO2
0.31ppm
CO
AQI 64
Moderate
16.08μg/m³
PM2.5
59.14μg/m³
PM10
39.77ppb
O3
1.34ppb
SO2
11.15ppb
NO2
0.32ppm
CO
AQI 62
Moderate
15.19μg/m³
PM2.5
68.25μg/m³
PM10
36.02ppb
O3
1.49ppb
SO2
14.44ppb
NO2
0.31ppm
CO
AQI 62
Moderate
14.66μg/m³
PM2.5
66.14μg/m³
PM10
36.99ppb
O3
1.44ppb
SO2
14.86ppb
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 05:00:00 on 2026-10-22.
In the last 24 hrs, the best air quality in Hudson, Wisconsin was observed at 11:00:00 on 2026-10-21.
The current air quality in Hudson, Wisconsin is 62, categorized as Moderate based on real-time data.
The most common pollutant in Hudson, Wisconsin is PM2.5.
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 14.72 μg/m3.
The current PM10 concentration at Hudson, Wisconsin is 52.677 μg/m3.
The current carbon monoxide (CO) concentration at Hudson, Wisconsin is 0.293 ppm.
The current sulfur dioxide (SO2) concentration at Hudson, Wisconsin is 1.503 ppb.
The current ozone (O3) concentration at Hudson, Wisconsin is 41.745 ppm.
The current nitrogen dioxide (NO2) concentration at Hudson, Wisconsin is 9.523 ppb.
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