- Tree cover
- 7.8%
- Air quality
- 30Good
- Trees in this area
- 24.5K
- More trees needed
- 69.7K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 26, 2026
Guelma's tree count comes to 24,504 trees across 12.57 km² — 22 points below the 30% tree-cover level considered healthy for this area, meaning roughly 69,743 more trees would close the gap. Air quality currently reads AQI 30 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
7.8% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
24,504
Target trees
94,247
More trees needed
69,743
CO₂ if planted / yr
1,534 t
Air quality detail
AQI 30Good
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
7.1
PM10
10.9
NO₂
3.5
O₃
50.0
SO₂
1.1
CO
135.0
Frequently asked
Questions about Guelma
What is the tree count in Guelma?
Guelma has an estimated 24,504 trees across the 12.57 km² measured — 7.8% tree cover, 22 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Guelma need?
Guelma needs roughly 69,743 more trees to close a 22-point shortfall against its 30% tree-cover target — about 1,534 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Guelma right now?
The latest reading for Guelma shows an AQI of 30 (Good), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Guelma'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 Guelma; 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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