Neighbourhood noise map
Santo Antônio, Niterói
Sossego Index 83 out of 100: Calm. Ranked 42 of the 65 neighbourhoods rated in Niterói. That matches the city average of 84.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 28 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 Estrada Francisco da Cruz Nunes (collector road, 203 m), BHLS Transoceânica (bus lane, 209 m) and Rua Juriti (residential street, 40 m). Traffic is the main source of noise.
The nearest airport is Aeroporto Santos Dumont (regional), 12.4 km away. Far enough to barely count.
Day and night
By day the estimate is 55 dB(A), index 83. At night, with less traffic, it drops to 47 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 Santo AntônioNeighbouring areas
The closest neighbourhoods and their scores.
- Morro da Boa Esperança1.1 km away73
- Comunidade do Jacaré1.3 km away85
- Jacaré1.4 km away100
- Maravista1.6 km away83
- Comunidade do Bonsucesso1.8 km away75
- Comunidade da Ciclovia2.3 km away77
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.