Zhangjiajie
Measured across a 2 km radius around Yongding District, Zhangjiajie, Hunan, China (12.57 km²)
- Tree cover
- 45.6%
- Air quality
- 71Moderate
- Trees in this area
- 133K
- More trees needed
- 0
- Area analyzed
- 11.7 km²land, in a 12.57 km² circle
- Satellite image
- Jul 13, 2026
Zhangjiajie's tree count comes to 133,372 trees across 11.7 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 71 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
45.6% tree cover against a 30% healthy-neighborhood target, across 11.7 km² of land.
Trees in this area
133,372
Target trees
133,372
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 71Moderate
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
21.7
PM10
22.8
NO₂
1.6
O₃
108.0
SO₂
3.4
CO
333.0
Frequently asked
Questions about Zhangjiajie
What is the tree count in Zhangjiajie?
Zhangjiajie has an estimated 133,372 trees across the 11.7 km² of land measured — 45.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Zhangjiajie need?
Zhangjiajie has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Zhangjiajie right now?
The latest reading for Zhangjiajie shows an AQI of 71 (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 Zhangjiajie'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 Yongding 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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