Dengzhou
Measured across a 2 km radius around Dengzhou, Nanyang, Henan, China (12.57 km²)
- Tree cover
- 15.8%
- Air quality
- 87Moderate
- Trees in this area
- 49.6K
- More trees needed
- 44.6K
- Area analyzed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 6, 2026
Dengzhou's tree count comes to 49,588 trees across 12.56 km² of land — 14 points below the 30% tree-cover level considered healthy for this area, meaning roughly 44,566 more trees would close the gap. Air quality currently reads AQI 87 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
15.8% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
49,588
Target trees
94,154
More trees needed
44,566
CO₂ if planted / yr
980.5 t
Air quality detail
AQI 87Moderate
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
29.2
PM10
30.2
NO₂
3.2
O₃
107.0
SO₂
0.5
CO
313.0
Frequently asked
Questions about Dengzhou
What is the tree count in Dengzhou?
Dengzhou has an estimated 49,588 trees across the 12.56 km² of land measured — 15.8% tree cover, 14 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Dengzhou need?
Dengzhou needs roughly 44,566 more trees to close a 14-point shortfall against its 30% tree-cover target — about 980.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Dengzhou right now?
The latest reading for Dengzhou shows an AQI of 87 (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 Dengzhou'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 Dengzhou; 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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