Neighbourhood noise map
Km3, Santa Maria
Sossego Index 67 out of 100: Active. Ranked 307 of the 396 neighbourhoods rated in Santa Maria. That is below the city average of 80.
Moderate, steady noise, typical of mixed neighborhoods with shops and busy streets.
Inside the neighbourhood the index runs from 56 to 95. 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-158;BR-392 (expressway, 238 m), Avenida João Luiz Pozzobon (arterial road, 1.9 km) and Avenida Prefeito Evandro Behr (expressway, 2 km). Traffic is the main source of noise.
The nearest airport is Aeroporto de Santa Maria (international), 7.9 km away. Far enough to barely count.
There is a railway line 770 m away. Nearby local sources: Linha Passo Fundo-Santa Maria (770 m), Linha Porto Alegre-Uruguaiana (1 km), railway (883 m).
Day and night
By day the estimate is 60 dB(A), index 67. At night, with less traffic, it drops to 55 dB(A), index 82. It is above the NBR 10151 reference for residential areas (55 dB(A) by day and 50 at night) in both periods.
What makes up the index
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The closest neighbourhoods and their scores.
- Km 3889 m away84
- Presidente João Goulart959 m away64
- Vila Montanha Russa1.1 km away60
- Vila Bilibiu1.3 km away69
- Vila Pércio Reis1.5 km away56
- Vila Rossato1.6 km away64
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.