Stay updated with real-time air quality in Appleton, 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)
84
Moderate
Appleton, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
27.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
122.01 μg/m³
0
55
155
255
425
605+
37.14 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
5.33 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Appleton, Wisconsin
Appleton, Wisconsin
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AQI 86
Moderate
27.46μg/m³
PM2.5
125.64μg/m³
PM10
37.27ppb
O3
0.60ppb
SO2
5.40ppb
NO2
0.26ppm
CO
AQI 117
Unhealthy for sensitive groups
36.47μg/m³
PM2.5
186.82μg/m³
PM10
44.57ppb
O3
0.68ppb
SO2
5.23ppb
NO2
0.26ppm
CO
AQI 107
Unhealthy for sensitive groups
30.79μg/m³
PM2.5
167.83μg/m³
PM10
37.90ppb
O3
0.52ppb
SO2
6.04ppb
NO2
0.26ppm
CO
AQI 104
Unhealthy for sensitive groups
30.33μg/m³
PM2.5
162.22μg/m³
PM10
37.79ppb
O3
0.54ppb
SO2
5.96ppb
NO2
0.26ppm
CO
AQI 117
Unhealthy for sensitive groups
36.47μg/m³
PM2.5
186.82μg/m³
PM10
44.57ppb
O3
0.68ppb
SO2
5.23ppb
NO2
0.26ppm
CO
AQI 117
Unhealthy for sensitive groups
37.17μg/m³
PM2.5
186.96μg/m³
PM10
37.29ppb
O3
0.69ppb
SO2
5.23ppb
NO2
0.26ppm
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 Appleton, Wisconsin is updated on an hourly basis.
The worst air quality in Appleton, Wisconsin was recorded at 07:00:00 on 2025-06-05.
The best air quality in Appleton, Wisconsin was recorded at 02:00:00 on 2025-06-06.
The real-time air quality index in Appleton, Wisconsin is 84, currently categorized as Moderate.
The most common pollutant in Appleton, Wisconsin is PM10.
If the air quality in Appleton, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Appleton, Wisconsin at present are 27.132 μg/m3.
The current PM10 levels in Appleton, Wisconsin are 122.007 μg/m3.
The current carbon monoxide (CO) level in Appleton, Wisconsin is 0.262 ppm.
The current sulfur dioxide (SO2) levels in Appleton, Wisconsin are 0.607 ppb.
The current ozone (O3) levels at Appleton, Wisconsin is 37.138 ppm.
The current nitrogen dioxide (NO2) levels at Appleton, Wisconsin is 5.325 ppb.
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