All Reunion reports
City report · Reunion
Saint-Denis
Measured across a 2 km radius around Centre, Saint-Denis 97400, Réunion (12.57 km²)
- Tree cover
- 22%
- Air quality
- 38Good
- Trees in this area
- 49.2K
- More trees needed
- 19.3K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 14, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 14, 2026
Tree cover detail
Below target
21.5% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
49,167
Target trees
68,500
More trees needed
19,333
CO₂ if planted / yr
425.3 t
Air quality detail
AQI 38Good
Observed Sep 20, 2026 via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.4
PM10
11
NO₂
0.6
O₃
54
SO₂
0.8
CO
98
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