City report · North Korea · South Hwanghae
Ch’ŏngdan-ŭp
Measured across a 2 km radius around Chongdan-gun, Hwanghae-namdo, Korea (12.57 km²)
- Tree cover
- 76.6%
- Air quality
- 84Moderate
- Trees in this area
- 241K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 26, 2026
Ch’ŏngdan-ŭp's tree count comes to 240,646 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 84 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
76.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
240,646
Target trees
240,646
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 84Moderate
Observed Sep 27, 12:00 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
17.9
PM10
22.6
NO₂
2.4
O₃
128.0
SO₂
8.2
CO
177.0
Frequently asked
Questions about Ch’ŏngdan-ŭp
What is the tree count in Ch’ŏngdan-ŭp?
Ch’ŏngdan-ŭp has an estimated 240,646 trees across the 12.57 km² measured — 76.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Ch’ŏngdan-ŭp need?
Ch’ŏngdan-ŭp has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Ch’ŏngdan-ŭp right now?
The latest reading for Ch’ŏngdan-ŭp shows an AQI of 84 (Moderate), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Ch’ŏngdan-ŭp'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 Chongdan-gun; 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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