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)
99
Moderate
Sussex, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
29.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
152.40 μg/m³
0
55
155
255
425
605+
60.09 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
2.29 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sussex, Wisconsin
Sussex, Wisconsin
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AQI 75
Moderate
21.82μg/m³
PM2.5
33.88μg/m³
PM10
60.92ppb
O3
0.48ppb
SO2
3.20ppb
NO2
0.21ppm
CO
AQI 94
Moderate
31.54μg/m³
PM2.5
124.90μg/m³
PM10
58.66ppb
O3
0.48ppb
SO2
3.09ppb
NO2
0.21ppm
CO
AQI 75
Moderate
22.01μg/m³
PM2.5
93.09μg/m³
PM10
62.07ppb
O3
0.48ppb
SO2
3.04ppb
NO2
0.20ppm
CO
AQI 100
Moderate
32.51μg/m³
PM2.5
153.64μg/m³
PM10
65.54ppb
O3
0.46ppb
SO2
3.27ppb
NO2
0.21ppm
CO
AQI 101
Unhealthy for sensitive groups
30.13μg/m³
PM2.5
155.75μg/m³
PM10
61.70ppb
O3
0.46ppb
SO2
3.38ppb
NO2
0.21ppm
CO
AQI 94
Moderate
32.31μg/m³
PM2.5
133.92μg/m³
PM10
60.01ppb
O3
0.48ppb
SO2
3.11ppb
NO2
0.21ppm
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 05:00:00 on 2025-06-06.
The best air quality in Sussex, Wisconsin was recorded at 12:00:00 on 2025-06-06.
The real-time air quality index in Sussex, Wisconsin is 99, currently categorized as Moderate.
The most common pollutant in Sussex, Wisconsin is PM10.
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 29.198 μg/m3.
The current PM10 levels in Sussex, Wisconsin are 152.396 μg/m3.
The current carbon monoxide (CO) level in Sussex, Wisconsin is 0.256 ppm.
The current sulfur dioxide (SO2) levels in Sussex, Wisconsin are 0.297 ppb.
The current ozone (O3) levels at Sussex, Wisconsin is 60.092 ppm.
The current nitrogen dioxide (NO2) levels at Sussex, Wisconsin is 2.291 ppb.
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