City report · Brazil · Rio de Janeiro
Japeri
Measured across a 2 km radius around Nossa Sra. de Fátima, Japeri - RJ, Brazil (12.57 km²)
- Tree cover
- 73.3%
- Air quality
- 144Unhealthy for sensitive groups
- Trees in this area
- 228K
- More trees needed
- 0
- Area analyzed
- 12.42 km²land, in a 12.57 km² circle
- Satellite image
- Sep 4, 2026
Japeri's tree count comes to 227,515 trees across 12.42 km² of land — already at or above the 35% tree-cover level considered healthy for this area. Air quality currently reads AQI 144 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Healthy tree cover
73.3% tree cover against a 35% healthy-neighborhood target, across 12.42 km² of land.
Trees in this area
227,515
Target trees
227,515
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 144Unhealthy for sensitive groups
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
53.0
PM10
53.4
NO₂
16.7
O₃
71.0
SO₂
8.0
CO
353.0
Frequently asked
Questions about Japeri
What is the tree count in Japeri?
Japeri has an estimated 227,515 trees across the 12.42 km² of land measured — 73.3% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Japeri need?
Japeri has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Japeri right now?
The latest reading for Japeri shows an AQI of 144 (Unhealthy for sensitive groups), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.
How is Japeri'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 Nossa Sra. de Fátima; 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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