Neighbourhood noise map
Arenal, Santa Maria
Sossego Index 100 out of 100: Very calm. Ranked 3 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 62 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 BR-392 (expressway, 490 m) and Estrada Januário Chagas Franco (main local road, 541 m).
The nearest airport is Aeroporto de Santa Maria (regional), 13.4 km away. Far enough to barely count.
Nearby local sources: 3tentos (354 m).
Day and night
By day the estimate is 48 dB(A), index 100. 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.
- Colônia Pena2.8 km away100
- Coxilha do Arenal3.9 km away100
- Costa do Arenal4.5 km away100
- Pau-a-Pique4.7 km away100
- Passo Velho do Arenal6.1 km away100
- Mato Alto6.5 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.