Kaifeng
Measured across a 2 km radius around Longting District, Kaifeng, Henan, China (12.57 km²)
- Tree cover
- 26.1%
- Air quality
- 58Moderate
- Trees in this area
- 81.4K
- More trees needed
- 12.2K
- Area analyzed
- 12.48 km²land, in a 12.57 km² circle
- Satellite image
- Sep 10, 2026
Kaifeng's tree count comes to 81,422 trees across 12.48 km² of land — 4 points below the 30% tree-cover level considered healthy for this area, meaning roughly 12,166 more trees would close the gap. Air quality currently reads AQI 58 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
26.1% tree cover against a 30% healthy-neighborhood target, across 12.48 km² of land.
Trees in this area
81,422
Target trees
93,588
More trees needed
12,166
CO₂ if planted / yr
267.7 t
Air quality detail
AQI 58Moderate
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
13.3
PM10
13.6
NO₂
3.9
O₃
112.0
SO₂
2.3
CO
272.0
Frequently asked
Questions about Kaifeng
What is the tree count in Kaifeng?
Kaifeng has an estimated 81,422 trees across the 12.48 km² of land measured — 26.1% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kaifeng need?
Kaifeng needs roughly 12,166 more trees to close a 4-point shortfall against its 30% tree-cover target — about 267.7 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Kaifeng right now?
The latest reading for Kaifeng shows an AQI of 58 (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 Kaifeng'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 Longting 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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