City report · China · Liaoning
Dandong
Measured across a 2 km radius around Zhenxing District, Dandong, Liaoning, China (12.57 km²)
- Tree cover
- 20.6%
- Air quality
- 63Moderate
- Trees in this area
- 50.5K
- More trees needed
- 23.1K
- Area analyzed
- 9.82 km²land, in a 12.57 km² circle
- Satellite image
- Sep 19, 2026
Dandong's tree count comes to 50,544 trees across 9.82 km² of land — 9 points below the 30% tree-cover level considered healthy for this area, meaning roughly 23,064 more trees would close the gap. Air quality currently reads AQI 63 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
20.6% tree cover against a 30% healthy-neighborhood target, across 9.82 km² of land.
Trees in this area
50,544
Target trees
73,608
More trees needed
23,064
CO₂ if planted / yr
507.4 t
Air quality detail
AQI 63Moderate
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
17.7
PM10
23.2
NO₂
7.7
O₃
84.0
SO₂
6.0
CO
253.0
Frequently asked
Questions about Dandong
What is the tree count in Dandong?
Dandong has an estimated 50,544 trees across the 9.82 km² of land measured — 20.6% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Dandong need?
Dandong needs roughly 23,064 more trees to close a 9-point shortfall against its 30% tree-cover target — about 507.4 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Dandong right now?
The latest reading for Dandong shows an AQI of 63 (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 Dandong'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 Zhenxing District; 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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