City report · South Korea · Gyeonggi-do
Yeoju
Measured across a 2 km radius around Yeoheung-ro, Yeoju-si, Gyeonggi-do, South Korea (12.57 km²)
- Tree cover
- 46.7%
- Air quality
- 123Unhealthy for sensitive groups
- Trees in this area
- 131K
- More trees needed
- 0
- Area analyzed
- 11.24 km²land, in a 12.57 km² circle
- Satellite image
- Sep 23, 2026
Yeoju's tree count comes to 131,161 trees across 11.24 km² of land — already at or above the 35% tree-cover level considered healthy for this area. Air quality currently reads AQI 123 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Healthy tree cover
46.7% tree cover against a 35% healthy-neighborhood target, across 11.24 km² of land.
Trees in this area
131,161
Target trees
131,161
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 123Unhealthy for sensitive groups
Observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
12.1
PM10
13.4
NO₂
0.5
O₃
152.0
SO₂
6.7
CO
175.0
Frequently asked
Questions about Yeoju
What is the tree count in Yeoju?
Yeoju has an estimated 131,161 trees across the 11.24 km² of land measured — 46.7% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Yeoju need?
Yeoju has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Yeoju right now?
The latest reading for Yeoju shows an AQI of 123 (Unhealthy for sensitive groups), observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.
How is Yeoju'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 Yeoheung-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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