Hikone
Measured across a 2 km radius around Koizumicho, Hikone, Shiga 522-0043, Japan (12.57 km²)
- Tree cover
- 21.0%
- Air quality
- 34Good
- Trees in this area
- 66.0K
- More trees needed
- 28.3K
- Area analyzed
- 12.57 km²
- Satellite image
- Aug 2, 2026
Hikone's tree count comes to 65,973 trees across 12.57 km² — 9 points below the 30% tree-cover level considered healthy for this area, meaning roughly 28,274 more trees would close the gap. Air quality currently reads AQI 34 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
21.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
65,973
Target trees
94,247
More trees needed
28,274
CO₂ if planted / yr
622.0 t
Air quality detail
AQI 34Good
Observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.2
PM10
4.2
NO₂
12.2
O₃
72.0
SO₂
6.8
CO
292.0
Frequently asked
Questions about Hikone
What is the tree count in Hikone?
Hikone has an estimated 65,973 trees across the 12.57 km² measured — 21.0% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hikone need?
Hikone needs roughly 28,274 more trees to close a 9-point shortfall against its 30% tree-cover target — about 622.0 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Hikone right now?
The latest reading for Hikone shows an AQI of 34 (Good), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Hikone'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 Koizumicho; 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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