Neighbourhood noise map
Costa do Arenal, Santa Maria
Sossego Index 100 out of 100: Very calm. Ranked 24 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 100 to 100. Noise is similar across the whole area.
The road with the biggest weight in the noise is BR-392 (expressway), 1.5 km from the centre of the neighbourhood.
The nearest airport is Aeroporto de Santa Maria (regional), 15.6 km away. Far enough to barely count.
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Day and night
By day the estimate is 38 dB(A), index 100. At night, with less traffic, it drops to 33 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 Costa do ArenalNeighbouring areas
The closest neighbourhoods and their scores.
- Passo do Verde2.4 km away100
- Passo Velho do Arenal2.8 km away100
- Arenal4.5 km away100
- Vila Passo do Verde4.6 km away72
- Coxilha do Arenal5 km away100
- Mato Alto5.5 km away100
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.