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City report · Vietnam
Hanoi
Measured across a 2 km radius around Van Mieu - Quoc Tu Giam, Ha Noi, Vietnam (12.57 km²)
- Tree cover
- 22%
- Air quality
- 161Unhealthy
- Trees in this area
- 68.1K
- More trees needed
- 55.2K
- Area analysed
- 12.57 km²
- Satellite image
- Aug 10, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Aug 10, 2026
Tree cover detail
Critically low
22.1% tree cover against a 40% healthy-neighbourhood target, across 12.57 km².
Trees in this area
68,121
Target trees
123,351
More trees needed
55,230
CO₂ if planted / yr
1215.1 t
Air quality detail
AQI 161Unhealthy
Observed Sep 20, 2026 via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
85
PM10
86.8
NO₂
41.4
O₃
82
SO₂
48.8
CO
749
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