Stay updated with real-time air quality in Harrison, 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)
54
Moderate
Harrison, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.85 μg/m³
0
55
155
255
425
605+
42.88 ppb
0
55
71
86
201
201+
0.96 ppb
0
36
76
186
605
1005+
3.79 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Harrison, Wisconsin
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AQI 60
Moderate
13.77μg/m³
PM2.5
58.04μg/m³
PM10
35.74ppb
O3
0.94ppb
SO2
8.81ppb
NO2
0.30ppm
CO
AQI 58
Moderate
13.38μg/m³
PM2.5
54.97μg/m³
PM10
33.81ppb
O3
0.99ppb
SO2
8.81ppb
NO2
0.30ppm
CO
AQI 60
Moderate
14.50μg/m³
PM2.5
64.09μg/m³
PM10
39.48ppb
O3
0.86ppb
SO2
8.81ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.20μg/m³
PM2.5
52.09μg/m³
PM10
36.42ppb
O3
0.77ppb
SO2
8.73ppb
NO2
0.31ppm
CO
AQI 60
Moderate
14.42μg/m³
PM2.5
63.36μg/m³
PM10
39.08ppb
O3
0.86ppb
SO2
8.81ppb
NO2
0.30ppm
CO
AQI 54
Moderate
11.20μg/m³
PM2.5
52.09μg/m³
PM10
36.42ppb
O3
0.77ppb
SO2
8.73ppb
NO2
0.31ppm
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 Harrison, Wisconsin is updated on an hourly basis.
The worst air quality in Harrison, Wisconsin was recorded at 07:00:00 on 2025-07-23.
The best air quality in Harrison, Wisconsin was recorded at 04:00:00 on 2025-07-23.
The real-time air quality index in Harrison, Wisconsin is 60, currently categorized as Moderate.
The most common pollutant in Harrison, Wisconsin is PM2.5.
If the air quality in Harrison, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Harrison, Wisconsin at present are 13.66 μg/m3.
The current PM10 levels in Harrison, Wisconsin are 57.141 μg/m3.
The current carbon monoxide (CO) level in Harrison, Wisconsin is 0.3 ppm.
The current sulfur dioxide (SO2) levels in Harrison, Wisconsin are 0.956 ppb.
The current ozone (O3) levels at Harrison, Wisconsin is 35.203 ppm.
The current nitrogen dioxide (NO2) levels at Harrison, Wisconsin is 8.813 ppb.
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