Neighbourhood noise map
São Marcos, Gravataí
Sossego Index 98 out of 100: Very calm. Ranked 18 of the 157 neighbourhoods rated in Gravataí. That is above the city average of 76.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 48 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 Rodovia Teixeirinha (arterial road, 427 m), Rua Pinheiro Borba (residential street, 10 m) and Rua Paulo Salton (residential street, 53 m).
The nearest airport is an unnamed airfield (small), 4.2 km away. Far enough to barely count.
Day and night
By day the estimate is 49 dB(A), index 98. 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.
- Parque Itacolomi571 m away84
- Costa Verde1.4 km away100
- Recanto do Itacolomi1.8 km away100
- Dakar2.1 km away68
- Estância Antiga2.4 km away100
- Recanto Verde2.9 km away73
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.