City report · Brazil
Rio Branco
Measured across a 2 km radius around Centro, Rio Branco - AC, Brazil (12.57 km²)
- Tree cover
- 31.2%
- Air quality
- 88Moderate
- Trees in this area
- 98.0K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 17, 2026
Rio Branco's tree count comes to 98,018 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 88 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
31.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
98,018
Target trees
98,018
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 88Moderate
Observed Sep 26, 23:00 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
29.8
PM10
30.4
NO₂
4.1
O₃
32.0
SO₂
0.7
CO
348.0
Frequently asked
Questions about Rio Branco
What is the tree count in Rio Branco?
Rio Branco has an estimated 98,018 trees across the 12.57 km² measured — 31.2% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Rio Branco need?
Rio Branco has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Rio Branco right now?
The latest reading for Rio Branco shows an AQI of 88 (Moderate), observed Sep 26, 23:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Rio Branco'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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