Ji’an
Measured across a 2 km radius around Jizhou, Ji'An, Jiangxi, China (12.57 km²)
- Tree cover
- 19.9%
- Air quality
- 91Moderate
- Trees in this area
- 52.7K
- More trees needed
- 26.7K
- Area analyzed
- 10.6 km²land, in a 12.57 km² circle
- Satellite image
- Sep 25, 2026
Ji’an's tree count comes to 52,702 trees across 10.6 km² of land — 10 points below the 30% tree-cover level considered healthy for this area, meaning roughly 26,748 more trees would close the gap. Air quality currently reads AQI 91 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
19.9% tree cover against a 30% healthy-neighborhood target, across 10.6 km² of land.
Trees in this area
52,702
Target trees
79,450
More trees needed
26,748
CO₂ if planted / yr
588.5 t
Air quality detail
AQI 91Moderate
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
14.8
PM10
17.1
NO₂
0.4
O₃
132.0
SO₂
2.3
CO
268.0
Frequently asked
Questions about Ji’an
What is the tree count in Ji’an?
Ji’an has an estimated 52,702 trees across the 10.6 km² of land measured — 19.9% tree cover, 10 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Ji’an need?
Ji’an needs roughly 26,748 more trees to close a 10-point shortfall against its 30% tree-cover target — about 588.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Ji’an right now?
The latest reading for Ji’an shows an AQI of 91 (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 Ji’an'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 Jizhou; 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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