City report · Nigeria · Katsina State
Katsina
Measured across a 2 km radius around Katsina, Nigeria (12.57 km²)
- Tree cover
- 13.4%
- Air quality
- 138Unhealthy for sensitive groups
- Trees in this area
- 42.1K
- More trees needed
- 67.9K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 13, 2026
Katsina's tree count comes to 42,097 trees across 12.57 km² — 22 points below the 35% tree-cover level considered healthy for this area, meaning roughly 67,858 more trees would close the gap. Air quality currently reads AQI 138 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Critically low
13.4% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
42,097
Target trees
109,955
More trees needed
67,858
CO₂ if planted / yr
1,493 t
Air quality detail
AQI 138Unhealthy for sensitive groups
Observed Sep 27, 04:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
50.6
PM10
74.5
NO₂
13.2
O₃
34.0
SO₂
2.4
CO
554.0
Frequently asked
Questions about Katsina
What is the tree count in Katsina?
Katsina has an estimated 42,097 trees across the 12.57 km² measured — 13.4% tree cover, 22 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Katsina need?
Katsina needs roughly 67,858 more trees to close a 22-point shortfall against its 35% tree-cover target — about 1,493 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Katsina right now?
The latest reading for Katsina shows an AQI of 138 (Unhealthy for sensitive groups), observed Sep 27, 04:00 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.
How is Katsina'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 Katsina; 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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