All Sierra Leone reports
City report · Sierra Leone
Freetown
Measured across a 2 km radius around Tower Hill, Freetown, Sierra Leone (12.57 km²)
- Tree cover
- 2%
- Air quality
- 36Good
- Trees in this area
- 4.7K
- More trees needed
- 54.9K
- Area analysed
- 12.57 km²
- Satellite image
- May 20, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured May 20, 2026
Tree cover detail
Critically low
2.3% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
4,662
Target trees
59,548
More trees needed
54,886
CO₂ if planted / yr
1207.5 t
Air quality detail
AQI 36Good
Observed Sep 20, 2026 via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.6
PM10
12.4
NO₂
1.5
O₃
39
SO₂
0.3
CO
137
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