Neighbourhood noise map
Vila 18 de Abril, Santa Maria
Sossego Index 91 out of 100: Very calm. Ranked 120 of the 396 neighbourhoods rated in Santa Maria. That is above the city average of 80.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 72 to 100. Noise is similar across the whole area.
The roads that weigh most on the noise of the neighbourhood are Avenida dos Louros (main local road, 27 m), Avenida Manoel Mallman Filho (main local road, 120 m) and Rua Irmã Teresina Werner (main local road, 188 m).
The nearest airport is Aeroporto de Santa Maria (international), 15.3 km away. Far enough to barely count.
There is a railway line 1.1 km away. Nearby local sources: railway (1.1 km).
Day and night
By day the estimate is 52 dB(A), index 91. At night, with less traffic, it drops to 46 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 Vila 18 de AbrilNeighbouring areas
The closest neighbourhoods and their scores.
- Nova Santa Marta375 m away84
- Vila Pôr do Sol471 m away83
- Vila Marista662 m away91
- Vila 7 de Dezembro742 m away87
- Núcleo Central797 m away83
- Vila 10 de Outubro909 m away87
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.