Neighbourhood noise map
Bairro São Sebastião II, Porto Velho
Sossego Index 67 out of 100: Active. Ranked 82 of the 94 neighbourhoods rated in Porto Velho. That is below the city average of 83.
Moderate, steady noise, typical of mixed neighborhoods with shops and busy streets.
Inside the neighbourhood the index runs from 14 to 71. Some corners are much louder than others, usually next to the avenues.
The road with the biggest weight in the noise is Avenida dos Imigrantes (expressway), 262 m from the centre of the neighbourhood. Traffic is the main source of noise.
The nearest airport is Aeroporto Internacional de Porto Velho - Governador Jorge Teixeira de Oliveira (international), 2.4 km away. Close enough to weigh on the index.
What makes up the index
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The closest neighbourhoods and their scores.
- São Sebastião II66 m away64
- Milagres321 m away64
- São Sebastião I382 m away67
- Pedrinhas687 m away73
- Invasão Portelinha767 m away65
- Balsa824 m away52
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.