Songcheng
Measured across a 2 km radius around Xiapu County, Ningde, Fujian, China (12.57 km²)
- Tree cover
- 50.1%
- Air quality
- 200Unhealthy
- Trees in this area
- 157K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 24, 2026
Songcheng's tree count comes to 157,394 trees across 12.57 km² — already at or above the 40% tree-cover level considered healthy for this area. Air quality currently reads AQI 200 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Tree cover detail
Healthy tree cover
50.1% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
157,394
Target trees
157,394
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 200Unhealthy
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
31.1
PM10
32.8
NO₂
4.3
O₃
206.0
SO₂
11.3
CO
261.0
Frequently asked
Questions about Songcheng
What is the tree count in Songcheng?
Songcheng has an estimated 157,394 trees across the 12.57 km² measured — 50.1% tree cover, already past the 40% tree-cover target set for this area.
How many more trees does Songcheng need?
Songcheng has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Songcheng right now?
The latest reading for Songcheng shows an AQI of 200 (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 Songcheng'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 Xiapu County; 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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