Stay updated with real-time air quality in Greenville, 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)
56
Moderate
Greenville, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.48 μg/m³
0
55
155
255
425
605+
39.59 ppb
0
55
71
86
201
201+
1.07 ppb
0
36
76
186
605
1005+
7.05 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Greenville, Wisconsin
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AQI 58
Moderate
12.75μg/m³
PM2.5
57.17μg/m³
PM10
35.46ppb
O3
0.98ppb
SO2
6.63ppb
NO2
0.22ppm
CO
AQI 58
Moderate
12.86μg/m³
PM2.5
58.00μg/m³
PM10
35.38ppb
O3
0.98ppb
SO2
6.67ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.81μg/m³
PM2.5
44.48μg/m³
PM10
33.43ppb
O3
0.88ppb
SO2
6.69ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.81μg/m³
PM2.5
44.48μg/m³
PM10
33.43ppb
O3
0.88ppb
SO2
6.69ppb
NO2
0.22ppm
CO
AQI 56
Moderate
12.04μg/m³
PM2.5
51.80μg/m³
PM10
35.54ppb
O3
1.05ppb
SO2
6.45ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.91μg/m³
PM2.5
50.88μg/m³
PM10
35.58ppb
O3
1.06ppb
SO2
6.41ppb
NO2
0.22ppm
CO
The air quality data for Wisconsin, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Greenville, Wisconsin are available every hour.
Greenville, Wisconsin experienced its worst air quality at 07:00:00, 2026-10-22.
The best air quality in Greenville, Wisconsin was observed at 03:00:00 on 2026-10-22.
The air quality in Greenville, Wisconsin right now is Moderate, with an AQI of 56.
In Greenville, Wisconsin, PM2.5 is the most frequently found pollutant.
When air quality in Greenville, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.
Greenville, Wisconsin currently has a PM2.5 concentration of 11.563 μg/m3.
Greenville, Wisconsin currently has a PM10 concentration of 47.477 μg/m3.
The current carbon monoxide (CO) level in Greenville, Wisconsin is 0.217 ppm.
The current sulfur dioxide (SO2) concentration in Greenville, Wisconsin is 1.072 ppb.
Greenville, Wisconsin currently has an ozone (O3) concentration of 39.587 ppm.
The current level of nitrogen dioxide (NO2) in Greenville, Wisconsin is 7.052 ppb.
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