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City report · Costa Rica
San José
Measured across a 2 km radius around San José, Merced, Costa Rica (12.57 km²)
- Tree cover
- 18%
- Air quality
- 41Good
- Trees in this area
- 55.4K
- More trees needed
- 38.9K
- Area analysed
- 12.57 km²
- Satellite image
- Jun 28, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Jun 28, 2026
Tree cover detail
Critically low
17.6% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
55,380
Target trees
94,247
More trees needed
38,867
CO₂ if planted / yr
855.1 t
Air quality detail
AQI 41Good
Observed Sep 19, 2026 via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.7
PM10
3.8
NO₂
24.2
O₃
8
SO₂
6.9
CO
484
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