Neighbourhood noise map
Morro da Boa Esperança, Niterói
Sossego Index 73 out of 100: Calm. Ranked 54 of the 65 neighbourhoods rated in Niterói. That is below 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 31 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, 169 m), BHLS Transoceânica (bus lane, 175 m) and Estrada Frei Orlando (main local road, 288 m). Traffic is the main source of noise.
The nearest airport is Aeroporto Santos Dumont (regional), 11.4 km away. Far enough to barely count.
Nearby local sources: Santo Antônio (191 m).
Day and night
By day the estimate is 58 dB(A), index 73. At night, with less traffic, it drops to 50 dB(A), index 94. It is above the daytime NBR 10151 reference for residential areas (55 dB(A)) but within the night one (50 dB(A)).
What makes up the index
Moving here?
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Test an address in Morro da Boa EsperançaNeighbouring areas
The closest neighbourhoods and their scores.
- Comunidade do Jacaré226 m away85
- Comunidade do Bonsucesso684 m away75
- Santo Antônio1.1 km away83
- Comunidade da Ciclovia1.2 km away77
- Morro do Caniçal1.8 km away87
- Camboinhas2 km away85
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.