Chiba
Measured across a 2 km radius around Shinmeicho, Chuo Ward, Chiba, 260-0022, Japan (12.57 km²)
- Tree cover
- 8.0%
- Air quality
- 51Moderate
- Trees in this area
- 21.3K
- More trees needed
- 58.5K
- Area analyzed
- 10.63 km²land, in a 12.57 km² circle
- Satellite image
- Aug 24, 2026
Chiba's tree count comes to 21,262 trees across 10.63 km² of land — 22 points below the 30% tree-cover level considered healthy for this area, meaning roughly 58,471 more trees would close the gap. Air quality currently reads AQI 51 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
8.0% tree cover against a 30% healthy-neighborhood target, across 10.63 km² of land.
Trees in this area
21,262
Target trees
79,733
More trees needed
58,471
CO₂ if planted / yr
1,286 t
Air quality detail
AQI 51Moderate
Observed Sep 27, 13:00 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
12.3
PM10
14.6
NO₂
25.0
O₃
62.0
SO₂
13.7
CO
138.0
Frequently asked
Questions about Chiba
What is the tree count in Chiba?
Chiba has an estimated 21,262 trees across the 10.63 km² of land measured — 8.0% tree cover, 22 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Chiba need?
Chiba needs roughly 58,471 more trees to close a 22-point shortfall against its 30% tree-cover target — about 1,286 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Chiba right now?
The latest reading for Chiba shows an AQI of 51 (Moderate), observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Chiba'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 Shinmeicho; 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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