Tongshan
Measured across a 2 km radius around Tongshan District, Xuzhou, Jiangsu, China (12.57 km²)
- Tree cover
- 47.8%
- Air quality
- 55Moderate
- Trees in this area
- 150K
- More trees needed
- 0
- Area analyzed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 7, 2026
Tongshan's tree count comes to 150,018 trees across 12.56 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 55 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
47.8% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
150,018
Target trees
150,018
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 55Moderate
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
13.9
PM10
15.5
NO₂
13.2
O₃
82.0
SO₂
3.5
CO
278.0
Frequently asked
Questions about Tongshan
What is the tree count in Tongshan?
Tongshan has an estimated 150,018 trees across the 12.56 km² of land measured — 47.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Tongshan need?
Tongshan has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Tongshan right now?
The latest reading for Tongshan shows an AQI of 55 (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 Tongshan'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 Tongshan 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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