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City report · South Korea
Seoul
Measured across a 2 km radius around Euljiro 1(il)-ga, Jung District, Seoul, South Korea (12.57 km²)
- Tree cover
- 26%
- Air quality
- 64Moderate
- Trees in this area
- 82.5K
- More trees needed
- 11.2K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 18, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 18, 2026
Tree cover detail
Below target
26.4% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
82,504
Target trees
93,680
More trees needed
11,176
CO₂ if planted / yr
245.9 t
Air quality detail
AQI 64Moderate
Observed Sep 20, 2026 via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
12.2
PM10
17.5
NO₂
10.9
O₃
110
SO₂
12.1
CO
148
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