Stay updated with real-time air quality in Sussex, 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)
45
Good
Sussex, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.67 μg/m³
0
55
155
255
425
605+
48.97 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
5.26 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sussex, Wisconsin
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AQI 44
Good
6.70μg/m³
PM2.5
16.30μg/m³
PM10
47.87ppb
O3
0.81ppb
SO2
7.71ppb
NO2
0.30ppm
CO
AQI 46
Good
6.14μg/m³
PM2.5
15.61μg/m³
PM10
49.76ppb
O3
0.80ppb
SO2
10.63ppb
NO2
0.28ppm
CO
AQI 44
Good
6.28μg/m³
PM2.5
15.81μg/m³
PM10
47.71ppb
O3
0.80ppb
SO2
8.79ppb
NO2
0.31ppm
CO
AQI 46
Good
6.08μg/m³
PM2.5
16.62μg/m³
PM10
49.71ppb
O3
0.77ppb
SO2
5.42ppb
NO2
0.24ppm
CO
AQI 44
Good
6.06μg/m³
PM2.5
15.55μg/m³
PM10
46.66ppb
O3
0.78ppb
SO2
4.98ppb
NO2
0.25ppm
CO
AQI 45
Good
6.08μg/m³
PM2.5
15.55μg/m³
PM10
49.28ppb
O3
0.80ppb
SO2
10.49ppb
NO2
0.28ppm
CO
Air quality measurements for Wisconsin, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Sussex, Wisconsin is updated on an hourly basis.
The worst air quality in Sussex, Wisconsin was recorded at 10:00:00 on 2026-03-09.
The best air quality in Sussex, Wisconsin was recorded at 02:00:00 on 2026-03-09.
The real-time air quality index in Sussex, Wisconsin is 45, currently categorized as Good.
The most common pollutant in Sussex, Wisconsin is O3.
If the air quality in Sussex, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Sussex, Wisconsin at present are 6.179 μg/m3.
The current PM10 levels in Sussex, Wisconsin are 15.671 μg/m3.
The current carbon monoxide (CO) level in Sussex, Wisconsin is 0.263 ppm.
The current sulfur dioxide (SO2) levels in Sussex, Wisconsin are 0.79 ppb.
The current ozone (O3) levels at Sussex, Wisconsin is 48.969 ppm.
The current nitrogen dioxide (NO2) levels at Sussex, Wisconsin is 5.257 ppb.
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