Neighbourhood noise map
Morro do Estado, Niterói
Sossego Index 70 out of 100: Calm. Ranked 57 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 55 to 87. 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 Fagundes Varela (collector road, 182 m), Rua São Sebastião (collector road, 307 m) and Rua Quinze de Novembro (main local road, 248 m). Traffic is the main source of noise.
The nearest airport is Aeroporto Santos Dumont (regional), 4.5 km away. Far enough to barely count.
Day and night
By day the estimate is 59 dB(A), index 70. At night, with less traffic, it drops to 51 dB(A), index 93. 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
Moving here?
Open the neighbourhood heatmap and test the exact address, with floor and window facing for apartments.
Test an address in Morro do EstadoNeighbouring areas
The closest neighbourhoods and their scores.
- Morro do Arroz356 m away57
- Morro da Chácara439 m away59
- Ingá562 m away77
- Centro925 m away63
- São Domingos1 km away77
- Fátima1.3 km away92
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.