Sobral
Measured across a 2 km radius around Centro, Sobral - CE, Brazil (12.57 km²)
- Tree cover
- 16.0%
- Air quality
- 22Good
- Trees in this area
- 50.1K
- More trees needed
- 43.9K
- Area analyzed
- 12.53 km²land, in a 12.57 km² circle
- Satellite image
- Sep 22, 2026
Sobral's tree count comes to 50,115 trees across 12.53 km² of land — 14 points below the 30% tree-cover level considered healthy for this area, meaning roughly 43,850 more trees would close the gap. Air quality currently reads AQI 22 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
16.0% tree cover against a 30% healthy-neighborhood target, across 12.53 km² of land.
Trees in this area
50,115
Target trees
93,965
More trees needed
43,850
CO₂ if planted / yr
964.7 t
Air quality detail
AQI 22Good
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.2
PM10
7.2
NO₂
5.2
O₃
42.0
SO₂
1.2
CO
95.0
Frequently asked
Questions about Sobral
What is the tree count in Sobral?
Sobral has an estimated 50,115 trees across the 12.53 km² of land measured — 16.0% tree cover, 14 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Sobral need?
Sobral needs roughly 43,850 more trees to close a 14-point shortfall against its 30% tree-cover target — about 964.7 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Sobral right now?
The latest reading for Sobral shows an AQI of 22 (Good), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Sobral'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 Centro; 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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