Kiryū
Measured across a 2 km radius around 2 Chome-1 Miyoshicho, Kiryu, Gunma 376-0005, Japan (12.57 km²)
- Tree cover
- 27.8%
- Air quality
- 63Moderate
- Trees in this area
- 87.1K
- More trees needed
- 6.9K
- Area analyzed
- 12.53 km²land, in a 12.57 km² circle
- Satellite image
- Jul 22, 2026
Kiryū's tree count comes to 87,074 trees across 12.53 km² of land — 2 points below the 30% tree-cover level considered healthy for this area, meaning roughly 6,891 more trees would close the gap. Air quality currently reads AQI 63 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
27.8% tree cover against a 30% healthy-neighborhood target, across 12.53 km² of land.
Trees in this area
87,074
Target trees
93,965
More trees needed
6,891
CO₂ if planted / yr
151.6 t
Air quality detail
AQI 63Moderate
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
7.0
PM10
7.1
NO₂
3.7
O₃
115.0
SO₂
5.7
CO
134.0
Frequently asked
Questions about Kiryū
What is the tree count in Kiryū?
Kiryū has an estimated 87,074 trees across the 12.53 km² of land measured — 27.8% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kiryū need?
Kiryū needs roughly 6,891 more trees to close a 2-point shortfall against its 30% tree-cover target — about 151.6 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Kiryū right now?
The latest reading for Kiryū shows an AQI of 63 (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 Kiryū'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 2 Chome-1 Miyoshicho; 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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