City report · Brazil · São Paulo
Franca
Measured across a 2 km radius around Centro, Franca - SP, Brazil (12.57 km²)
- Tree cover
- 12.7%
- Air quality
- 59Moderate
- Trees in this area
- 39.9K
- More trees needed
- 54.4K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 25, 2026
Franca's tree count comes to 39,898 trees across 12.57 km² — 17 points below the 30% tree-cover level considered healthy for this area, meaning roughly 54,350 more trees would close the gap. Air quality currently reads AQI 59 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
12.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
39,898
Target trees
94,248
More trees needed
54,350
CO₂ if planted / yr
1,196 t
Air quality detail
AQI 59Moderate
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
15.7
PM10
16.2
NO₂
12.9
O₃
51.0
SO₂
1.6
CO
200.0
Frequently asked
Questions about Franca
What is the tree count in Franca?
Franca has an estimated 39,898 trees across the 12.57 km² measured — 12.7% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Franca need?
Franca needs roughly 54,350 more trees to close a 17-point shortfall against its 30% tree-cover target — about 1,196 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Franca right now?
The latest reading for Franca shows an AQI of 59 (Moderate), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Franca'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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