Neighbourhood noise map
Santo Antônio da Prata, Belford Roxo
Sossego Index 55 out of 100: Active. Ranked 35 of the 35 neighbourhoods rated in Belford Roxo. 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 39 to 78. Some corners are much louder than others, usually next to the avenues.
The roads that weigh most on the noise of the neighbourhood are Estrada Doutor Plínio Casado (collector road, 177 m), Avenida José Mariano dos Passos (arterial road, 372 m) and Rodovia Presidente Dutra (motorway, 688 m). Traffic is the main source of noise.
The nearest airport is Aeroclube de Nova Iguaçu (small), 5.5 km away. Far enough to barely count.
There is a railway line 361 m away. Nearby local sources: railway (361 m).
Day and night
By day the estimate is 65 dB(A), index 55. At night, with less traffic, it drops to 59 dB(A), index 72. It is above the NBR 10151 reference for residential areas (55 dB(A) by day and 50 at night) in both periods.
What makes up the index
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Test an address in Santo Antônio da PrataNeighbouring areas
The closest neighbourhoods and their scores.
- Palmeira782 m away66
- Centro1.1 km away58
- Areia Branca1.2 km away83
- Bairro das Graças1.7 km away81
- Piam1.8 km away81
- Heliópolis2.3 km away76
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.