Yongji
Measured across a 2 km radius around Yongji, Shanxi, Yuncheng, Shanxi, China (12.57 km²)
- Tree cover
- 30.4%
- Air quality
- 156Unhealthy
- Trees in this area
- 95.5K
- More trees needed
- 30.2K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 14, 2026
Yongji's tree count comes to 95,504 trees across 12.57 km² — 10 points below the 40% tree-cover level considered healthy for this area, meaning roughly 30,159 more trees would close the gap. Air quality currently reads AQI 156 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Tree cover detail
Below target
30.4% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
95,504
Target trees
125,663
More trees needed
30,159
CO₂ if planted / yr
663.5 t
Air quality detail
AQI 156Unhealthy
Observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
65.9
PM10
67.5
NO₂
21.7
O₃
86.0
SO₂
13.6
CO
461.0
Frequently asked
Questions about Yongji
What is the tree count in Yongji?
Yongji has an estimated 95,504 trees across the 12.57 km² measured — 30.4% tree cover, 10 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Yongji need?
Yongji needs roughly 30,159 more trees to close a 10-point shortfall against its 40% tree-cover target — about 663.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Yongji right now?
The latest reading for Yongji shows an AQI of 156 (Unhealthy), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Everyone should limit long outdoor exertion; sensitive groups more so.
How is Yongji'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 Yongji; 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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