City report · Nigeria
Gusau
Measured across a 2 km radius around Gusau 632101, Zamfara, Nigeria (12.57 km²)
- Tree cover
- 28.5%
- Air quality
- 93Moderate
- Trees in this area
- 89.5K
- More trees needed
- 4.7K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 20, 2026
Gusau's tree count comes to 89,535 trees across 12.57 km² — 2 points below the 30% tree-cover level considered healthy for this area, meaning roughly 4,712 more trees would close the gap. Air quality currently reads AQI 93 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
28.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
89,535
Target trees
94,247
More trees needed
4,712
CO₂ if planted / yr
103.7 t
Air quality detail
AQI 93Moderate
Observed Sep 27, 02:00 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
32.0
PM10
57.0
NO₂
9.8
O₃
36.0
SO₂
1.7
CO
290.0
Frequently asked
Questions about Gusau
What is the tree count in Gusau?
Gusau has an estimated 89,535 trees across the 12.57 km² measured — 28.5% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Gusau need?
Gusau needs roughly 4,712 more trees to close a 2-point shortfall against its 30% tree-cover target — about 103.7 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Gusau right now?
The latest reading for Gusau shows an AQI of 93 (Moderate), observed Sep 27, 02:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Gusau'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 Gusau 632101; 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.
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