Neighbourhood noise map
Rio Grande, Palhoça
Sossego Index 92 out of 100: Very calm. Ranked 14 of the 37 neighbourhoods rated in Palhoça. That is above the city average of 82.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 73 to 100. Noise is similar across the whole area.
The roads that weigh most on the noise of the neighbourhood are Avenida Rio Grande (collector road, 275 m), Rua Maria Estefânia (residential street, 19 m) and Rua Hermelinda da Silva dos Santos (residential street, 29 m).
The nearest airport is Aeroclube de Santa Catarina (small), 5.2 km away. Close enough to weigh on the index.
Day and night
By day the estimate is 51 dB(A), index 92. At night, with less traffic, it drops to 43 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.
- Nova Palhoça1.2 km away82
- Centro1.5 km away77
- Barra do Aririú1.7 km away79
- Parque Empresarial Lumis1.7 km away59
- Pachecos2.3 km away50
- Loteamento Vila Nova2.5 km away78
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.