Neighbourhood noise map
Castelo, Santos
Sossego Index 88 out of 100: Very calm. Ranked 9 of the 60 neighbourhoods rated in Santos. That is above the city average of 67.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 67 to 100. Some corners are much louder than others, usually next to the avenues.
The roads that weigh most on the noise of the neighbourhood are Rua Benício de Castro (residential street, 23 m), Rua Armando de Almeida Alcântara (residential street, 24 m) and Rua Professor Laurindo Chaves (main local road, 231 m).
The nearest airport is Base Aérea de Santos (regional), 8.2 km away. Far enough to barely count.
Day and night
By day the estimate is 53 dB(A), index 88. At night, with less traffic, it drops to 44 dB(A), index 100. It is within the NBR 10151 references for residential areas (55 dB(A) by day and 50 at night).
What makes up the index
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The closest neighbourhoods and their scores.
- Areia Branca616 m away76
- Rádio Clube815 m away90
- São Jorge1.2 km away72
- Santa Maria1.2 km away76
- Vila São Jorge1.2 km away67
- Bom Retiro1.2 km away75
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 21, 2026.