City report · Brazil · São Paulo
São Caetano do Sul
Measured across a 2 km radius around Barcelona, São Caetano do Sul - SP, Brazil (12.57 km²)
- Tree cover
- 8.9%
- Air quality
- 156Unhealthy
- Trees in this area
- 28.0K
- More trees needed
- 97.7K
- Area analyzed
- 12.57 km²
- Satellite image
- Aug 23, 2026
São Caetano do Sul's tree count comes to 27,960 trees across 12.57 km² — 31 points below the 40% tree-cover level considered healthy for this area, meaning roughly 97,704 more trees would close the gap. Air quality currently reads AQI 156 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Tree cover detail
Critically low
8.9% tree cover against a 40% healthy-neighborhood target, across 12.57 km².
Trees in this area
27,960
Target trees
125,664
More trees needed
97,704
CO₂ if planted / yr
2,149 t
Air quality detail
AQI 156Unhealthy
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
65.2
PM10
65.4
NO₂
31.2
O₃
53.0
SO₂
16.6
CO
419.0
Frequently asked
Questions about São Caetano do Sul
What is the tree count in São Caetano do Sul?
São Caetano do Sul has an estimated 27,960 trees across the 12.57 km² measured — 8.9% tree cover, 31 percentage points short of the 40% tree-cover target set for this area.
How many more trees does São Caetano do Sul need?
São Caetano do Sul needs roughly 97,704 more trees to close a 31-point shortfall against its 40% tree-cover target — about 2,149 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in São Caetano do Sul right now?
The latest reading for São Caetano do Sul shows an AQI of 156 (Unhealthy), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Everyone should limit long outdoor exertion; sensitive groups more so.
How is São Caetano do Sul'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 Barcelona; 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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