Neighbourhood noise map
Rio do Ouro, Niterói
Sossego Index 100 out of 100: Very calm. Ranked 11 of the 65 neighbourhoods rated in Niterói. That is above the city average of 84.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 99 to 100. Noise is similar across the whole area.
The roads that weigh most on the noise of the neighbourhood are Estrada Velha de Maricá (arterial road, 1.3 km), Rodovia Amaral Peixoto (expressway, 1.7 km) and Avenida Central Ewerton Xavier (collector road, 1.3 km).
The nearest airport is an unnamed airfield (small), 15.6 km away. Far enough to barely count.
Day and night
By day the estimate is 39 dB(A), index 100. At night, with less traffic, it drops to 34 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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Test an address in Rio do OuroNeighbouring areas
The closest neighbourhoods and their scores.
- Muriqui2.2 km away100
- Serra Grande2.8 km away100
- Várzea das Moças2.9 km away100
- Vila Progresso3.4 km away94
- Engenho do Mato3.7 km away99
- Maria Paula4 km away70
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.