City report · South Korea · Gwangju
Gwangju
Measured across a 2 km radius around Guseong-ro, Dong-gu, Gwangju, South Korea (12.57 km²)
- Tree cover
- 10.7%
- Air quality
- 78Moderate
- Trees in this area
- 33.6K
- More trees needed
- 60.6K
- Area analyzed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 18, 2026
Gwangju's tree count comes to 33,581 trees across 12.56 km² of land — 19 points below the 30% tree-cover level considered healthy for this area, meaning roughly 60,572 more trees would close the gap. Air quality currently reads AQI 78 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
10.7% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
33,581
Target trees
94,153
More trees needed
60,572
CO₂ if planted / yr
1,333 t
Air quality detail
AQI 78Moderate
Observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
6.2
PM10
6.3
NO₂
4.1
O₃
124.0
SO₂
3.5
CO
239.0
Frequently asked
Questions about Gwangju
What is the tree count in Gwangju?
Gwangju has an estimated 33,581 trees across the 12.56 km² of land measured — 10.7% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Gwangju need?
Gwangju needs roughly 60,572 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,333 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Gwangju right now?
The latest reading for Gwangju shows an AQI of 78 (Moderate), observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Gwangju'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 Guseong-ro; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS, US EPA index and may differ from street-level monitors.
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