City report · China · Guangdong
Nantou
Measured across a 2 km radius around Zhongshan, Guangdong Province, China (12.57 km²)
- Tree cover
- 12.3%
- Air quality
- 132Unhealthy for sensitive groups
- Trees in this area
- 37.9K
- More trees needed
- 70.0K
- Area analyzed
- 12.33 km²land, in a 12.57 km² circle
- Satellite image
- Aug 11, 2026
Nantou's tree count comes to 37,907 trees across 12.33 km² of land — 23 points below the 35% tree-cover level considered healthy for this area, meaning roughly 69,959 more trees would close the gap. Air quality currently reads AQI 132 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Critically low
12.3% tree cover against a 35% healthy-neighborhood target, across 12.33 km² of land.
Trees in this area
37,907
Target trees
107,866
More trees needed
69,959
CO₂ if planted / yr
1,539 t
Air quality detail
AQI 132Unhealthy for sensitive groups
Observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
25.6
PM10
31.7
NO₂
7.2
O₃
157.0
SO₂
4.4
CO
257.0
Frequently asked
Questions about Nantou
What is the tree count in Nantou?
Nantou has an estimated 37,907 trees across the 12.33 km² of land measured — 12.3% tree cover, 23 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Nantou need?
Nantou needs roughly 69,959 more trees to close a 23-point shortfall against its 35% tree-cover target — about 1,539 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Nantou right now?
The latest reading for Nantou shows an AQI of 132 (Unhealthy for sensitive groups), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.
How is Nantou'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 Zhongshan; 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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