Air Quality in Green Bay, United States
Partly Cloudy
24.2°C · 52.1% humidity
24.2°
Feels 24.2°
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Green Bay's air quality — share it
AQI Forecast
Calibrated
34
8am
34
34
46
11am
43
40
38
2pm
37
36
36
5pm
35
38
45
8pm
76
93
94
11pm
94
94
93
2am
93
93
94
5am
94
93
Station readings
46
CAMS model
adj +10
24
24
24
24
24
24
24
24
24
24
24
27
34
66
83
84
84
84
83
83
83
84
84
83
Air Quality Index Trend
9h · 1 stnGreen Bay's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
52.1%
Humidity
19.5 km/h
Wind NE
1015.9 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Green Bay?
Temperature & Precipitation
PM2.5 Trend
9h · 1 stationPM2.511.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
Station readings (1 station within 25 km)
11.0
Median
11.0
Average
11.0
Low
11.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -4.0
What is the 7-day forecast for Green Bay?
07-21
25.2° 22.1°
0.25 mm
07-22
24.8° 17.5°
5.69 mm
07-23
22.6° 17.3°
0.38 mm
07-24
26.7° 14.3°
07-25
21.2° 16.1°
4.81 mm
07-26
25.4° 20.3°
1.12 mm
07-27
25.0° 17.8°
3.0 mm
Both models agree
Avg diff: 4.3°C
Where are air quality stations near Green Bay?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T16:35 UTC.