Neighbourhood noise map
União, Gravataí
Sossego Index 73 out of 100: Calm. Ranked 92 of the 157 neighbourhoods rated in Gravataí. That is below the city average of 76.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 56 to 89. Some corners are much louder than others, usually next to the avenues.
The roads that weigh most on the noise of the neighbourhood are Rua Cruzeiro do Sul (main local road, 42 m), Rua Marco Polo (main local road, 52 m) and Rua União (main local road, 114 m). Traffic is the main source of noise.
The nearest airport is an unnamed airfield (small), 4.9 km away. Far enough to barely count.
Day and night
By day the estimate is 58 dB(A), index 73. At night, with less traffic, it drops to 50 dB(A), index 95. 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?
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Test an address in UniãoNeighbouring areas
The closest neighbourhoods and their scores.
- Castelo Branco549 m away73
- Vila Aliança553 m away75
- Parque São Vicente561 m away72
- Santa Cruz771 m away68
- Vila Nara859 m away80
- Jardim da Figueira900 m away53
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.