Neighbourhood noise map
Vista Alegre, São Leopoldo
Sossego Index 78 out of 100: Calm. Ranked 19 of the 32 neighbourhoods rated in São Leopoldo. That matches the city average of 78.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 66 to 95. Noise is similar across the whole area.
The roads that weigh most on the noise of the neighbourhood are Rodovia Maria Emília de Paula (expressway, 625 m), Rua Barreto Viana (collector road, 253 m) and Rua Céu Azul (residential street, 38 m). Traffic is the main source of noise.
The nearest airport is Berge Vile (small), 2.5 km away. Far enough to barely count.
Day and night
By day the estimate is 56 dB(A), index 78. At night, with less traffic, it drops to 49 dB(A), index 99. It is above the daytime NBR 10151 reference for residential areas (55 dB(A)) but within the night one (50 dB(A)).
What makes up the index
Moving here?
Open the neighbourhood heatmap and test the exact address, with floor and window facing for apartments.
Test an address in Vista AlegreNeighbouring areas
The closest neighbourhoods and their scores.
- Arroio da Manteiga1.4 km away85
- Loteamento Cooparroio2.2 km away100
- Boa Vista2.2 km away100
- Vila Berger2.6 km away81
- Scharlau2.7 km away83
- Jardim Fênix2.8 km away80
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.