City report · Japan · Hokkaido
Hakodate
Measured across a 2 km radius around 22 Shinkawacho, Hakodate, Hokkaido 040-0032, Japan (12.57 km²)
- Tree cover
- 9.9%
- Air quality
- 54Moderate
- Trees in this area
- 19.7K
- More trees needed
- 39.9K
- Area analyzed
- 7.94 km²land, in a 12.57 km² circle
- Satellite image
- Sep 23, 2026
Hakodate's tree count comes to 19,656 trees across 7.94 km² of land — 20 points below the 30% tree-cover level considered healthy for this area, meaning roughly 39,908 more trees would close the gap. Air quality currently reads AQI 54 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
9.9% tree cover against a 30% healthy-neighborhood target, across 7.94 km² of land.
Trees in this area
19,656
Target trees
59,564
More trees needed
39,908
CO₂ if planted / yr
878.0 t
Air quality detail
AQI 54Moderate
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
2.6
PM10
3.6
NO₂
1.5
O₃
110.0
SO₂
1.7
CO
119.0
Frequently asked
Questions about Hakodate
What is the tree count in Hakodate?
Hakodate has an estimated 19,656 trees across the 7.94 km² of land measured — 9.9% tree cover, 20 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Hakodate need?
Hakodate needs roughly 39,908 more trees to close a 20-point shortfall against its 30% tree-cover target — about 878.0 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Hakodate right now?
The latest reading for Hakodate shows an AQI of 54 (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 Hakodate'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 22 Shinkawacho; 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