Neighbourhood noise map
Santo Onofre, Viamão
Sossego Index 100 out of 100: Very calm. Ranked 45 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 70 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 Rua Manoel Santana (collector road, 427 m) and Estrada da Branquinha (collector road, 907 m).
The nearest airport is an unnamed airfield (small), 6.2 km away. Far enough to barely count.
Day and night
By day the estimate is 43 dB(A), index 100. At night, with less traffic, it drops to 36 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 OnofreNeighbouring areas
The closest neighbourhoods and their scores.
- Jaguaribe1.1 km away93
- Jardim Ipiranga1.2 km away96
- Eletra1.3 km away99
- Recanto da Lagoa1.3 km away96
- Pérola1.4 km away97
- Florescente1.5 km away95
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.