- Tree cover
- 18.3%
- Air quality
- 12Good
- Trees in this area
- 57.5K
- More trees needed
- 36.8K
- Area analyzed
- 12.57 km²
- Satellite image
- Jul 30, 2026
Garissa's tree count comes to 57,491 trees across 12.57 km² — 12 points below the 30% tree-cover level considered healthy for this area, meaning roughly 36,757 more trees would close the gap. Air quality currently reads AQI 12 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
18.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
57,491
Target trees
94,248
More trees needed
36,757
CO₂ if planted / yr
808.7 t
Air quality detail
AQI 12Good
Observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.8
PM10
2.7
NO₂
1.1
O₃
25.0
SO₂
0.7
CO
83.0
Frequently asked
Questions about Garissa
What is the tree count in Garissa?
Garissa has an estimated 57,491 trees across the 12.57 km² measured — 18.3% tree cover, 12 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Garissa need?
Garissa needs roughly 36,757 more trees to close a 12-point shortfall against its 30% tree-cover target — about 808.7 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Garissa right now?
The latest reading for Garissa shows an AQI of 12 (Good), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Garissa'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 Garissa; 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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