Neighbourhood noise map
Liberdade, Novo Hamburgo
Sossego Index 62 out of 100: Active. Ranked 21 of the 28 neighbourhoods rated in Novo Hamburgo. That is below the city average of 76.
Moderate, steady noise, typical of mixed neighborhoods with shops and busy streets.
Inside the neighbourhood the index runs from 53 to 80. Noise is similar across the whole area.
The roads that weigh most on the noise of the neighbourhood are Rua Chavantes (main local road, 55 m), Rodovia BR-116 (motorway, 651 m) and Avenida Primeiro de Março (arterial road, 451 m). Traffic is the main source of noise.
The nearest airport is Aeroporto de Novo Hamburgo (regional), 6.1 km away. Far enough to barely count.
There is a railway line 456 m away. Nearby local sources: Linha 1 (456 m).
Day and night
By day the estimate is 63 dB(A), index 62. At night, with less traffic, it drops to 55 dB(A), index 83. 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.
- Industrial865 m away57
- Ouro Branco1.9 km away68
- Ideal2 km away66
- Rondônia2.5 km away87
- Santo Afonso2.7 km away100
- Primavera2.7 km away93
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.