City report · United States
Green Bay
Measured across a 2 km radius around Green Bay, WI, USA (12.57 km²)
- Tree cover
- 36.3%
- Air quality
- 32Good
- Trees in this area
- 106K
- More trees needed
- 0
- Area analysed
- 11.68 km²land, in a 12.57 km² circle
- Satellite image
- Sep 1, 2026
Green Bay's tree count comes to 105,943 trees across 11.68 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 32 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
36.3% tree cover against a 30% healthy-neighbourhood target, across 11.68 km² of land.
Trees in this area
105,943
Target trees
105,943
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 32Good
Observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.7
PM10
6.3
NO₂
3.2
O₃
64.0
SO₂
0.4
CO
128.0
Frequently asked
Questions about Green Bay
What is the tree count in Green Bay?
Green Bay has an estimated 105,943 trees across the 11.68 km² of land measured — 36.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Green Bay need?
Green Bay has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Green Bay right now?
The latest reading for Green Bay shows an AQI of 32 (Good), observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Green Bay's tree cover and air quality measured?
Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Green Bay; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS and may differ from street-level monitors.
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