Sakai
Measured across a 2 km radius around 5 Chome Ebisujimacho, Sakai Ward, Sakai, Osaka 590-0985, Japan (12.57 km²)
- Tree cover
- 2.1%
- Air quality
- 56Moderate
- Trees in this area
- 5.4K
- More trees needed
- 72.2K
- Area analyzed
- 10.36 km²land, in a 12.57 km² circle
- Satellite image
- Sep 24, 2026
Sakai's tree count comes to 5,436 trees across 10.36 km² of land — 28 points below the 30% tree-cover level considered healthy for this area, meaning roughly 72,224 more trees would close the gap. Air quality currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
2.1% tree cover against a 30% healthy-neighborhood target, across 10.36 km² of land.
Trees in this area
5,436
Target trees
77,660
More trees needed
72,224
CO₂ if planted / yr
1,589 t
Air quality detail
AQI 56Moderate
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
14.5
PM10
14.7
NO₂
30.0
O₃
60.0
SO₂
24.8
CO
335.0
Frequently asked
Questions about Sakai
What is the tree count in Sakai?
Sakai has an estimated 5,436 trees across the 10.36 km² of land measured — 2.1% tree cover, 28 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Sakai need?
Sakai needs roughly 72,224 more trees to close a 28-point shortfall against its 30% tree-cover target — about 1,589 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Sakai right now?
The latest reading for Sakai shows an AQI of 56 (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 Sakai'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 5 Chome Ebisujimacho; 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.
See your own area
What does your neighborhood look like?
Pick any point and radius to get the same tree-cover and air-quality breakdown.
Check my address