Neighbourhood noise map
Nossa Senhora das Graças, Porto Velho
Sossego Index 73 out of 100: Calm. Ranked 72 of the 94 neighbourhoods rated in Porto Velho. That is below the city average of 83.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 52 to 81. Noise is similar across the whole area.
The road with the biggest weight in the noise is Avenida 7 de Setembro (collector road), 162 m from the centre of the neighbourhood. Traffic is the main source of noise.
The nearest airport is Aeroclube de Rondônia (small), 4.5 km away. Close enough to weigh on the index.
What makes up the index
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Test an address in Nossa Senhora das GraçasNeighbouring areas
The closest neighbourhoods and their scores.
- KM-1713 m away75
- São Cristóvão788 m away78
- Mato Grosso818 m away71
- Santa Bárbara936 m away76
- Roque1 km away66
- Nova Porto Velho1.2 km away66
How to read this index
The Sossego Index runs from 0 to 100 and is an estimate built from open data, not an on-site measurement. 100 means 48 dB(A) or less, the level of a calm residential area. 0 means 86 dB(A) or more, the level of a heavy traffic avenue. Each neighbourhood's value is the median of nine points around its centre.
Read the full methodologyOpenStreetMap data, computed on October 19, 2026.