Neighbourhood noise map
Monte Castelo, Viamão
Sossego Index 95 out of 100: Very calm. Ranked 75 of the 200 neighbourhoods rated in Viamão. That is above the city average of 86.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 58 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 Avenida Liberdade (collector road, 340 m), Rua Afonso Pena (residential street, 26 m) and Avenida Walter Jobim (collector road, 533 m).
The nearest airport is Aeroporto Internacional de Porto Alegre (international), 7.8 km away. Far enough to barely count.
Day and night
By day the estimate is 50 dB(A), index 95. At night, with less traffic, it drops to 42 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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The closest neighbourhoods and their scores.
- Ecovillage 2435 m away100
- Campus da Colina497 m away89
- Vila Aparecida538 m away61
- Nova Esperança725 m away77
- Santa Isabel729 m away70
- Diamantina805 m 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.