Stay updated with real-time air quality in Green Bay, 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)
32
Good
Green Bay, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.94 μg/m³
0
55
155
255
425
605+
34.79 ppb
0
55
71
86
201
201+
0.66 ppb
0
36
76
186
605
1005+
7.14 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Green Bay, Wisconsin
Green Bay, Wisconsin
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AQI 71
Moderate
19.97μg/m³
PM2.5
86.14μg/m³
PM10
44.57ppb
O3
1.02ppb
SO2
10.39ppb
NO2
0.30ppm
CO
AQI 71
Moderate
19.83μg/m³
PM2.5
84.96μg/m³
PM10
44.47ppb
O3
1.02ppb
SO2
10.38ppb
NO2
0.30ppm
CO
AQI 69
Moderate
18.94μg/m³
PM2.5
79.77μg/m³
PM10
44.41ppb
O3
1.02ppb
SO2
10.32ppb
NO2
0.30ppm
CO
AQI 69
Moderate
19.49μg/m³
PM2.5
82.31μg/m³
PM10
44.26ppb
O3
1.02ppb
SO2
10.35ppb
NO2
0.30ppm
CO
AQI 69
Moderate
19.41μg/m³
PM2.5
81.43μg/m³
PM10
44.21ppb
O3
1.02ppb
SO2
10.40ppb
NO2
0.30ppm
CO
AQI 66
Moderate
17.11μg/m³
PM2.5
42.40μg/m³
PM10
43.44ppb
O3
1.01ppb
SO2
10.39ppb
NO2
0.30ppm
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 Green Bay, Wisconsin are available every hour.
Green Bay, Wisconsin experienced its worst air quality at 01:00:00, 2025-07-23.
The best air quality in Green Bay, Wisconsin was observed at 02:00:00 on 2025-07-22.
The air quality in Green Bay, Wisconsin right now is Moderate, with an AQI of 71.
In Green Bay, Wisconsin, PM2.5 is the most frequently found pollutant.
When air quality in Green Bay, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.
Green Bay, Wisconsin currently has a PM2.5 concentration of 20.214 μg/m3.
Green Bay, Wisconsin currently has a PM10 concentration of 87.812 μg/m3.
The current carbon monoxide (CO) level in Green Bay, Wisconsin is 0.299 ppm.
The current sulfur dioxide (SO2) concentration in Green Bay, Wisconsin is 1.019 ppb.
Green Bay, Wisconsin currently has an ozone (O3) concentration of 44.687 ppm.
The current level of nitrogen dioxide (NO2) in Green Bay, Wisconsin is 10.415 ppb.
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