Neighbourhood noise map
Vorstadt, Blumenau
Sossego Index 82 out of 100: Calm. Ranked 20 of the 42 neighbourhoods rated in Blumenau. That matches the city average of 83.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 65 to 100. 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 Itajaí (collector road, 191 m), Rua Antônio Treis (arterial road, 516 m) and Rua República Argentina (arterial road, 569 m). Traffic is the main source of noise.
The nearest airport is Aeroporto Regional de Blumenau (regional), 9.4 km away. Far enough to barely count.
Day and night
By day the estimate is 55 dB(A), index 82. At night, with less traffic, it drops to 48 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
Moving here?
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Test an address in VorstadtNeighbouring areas
The closest neighbourhoods and their scores.
- Ponta Aguda881 m away72
- Ribeirão Fresco2.1 km away100
- Nova Esperança2.6 km away100
- Boa Vista3 km away73
- Centro3.3 km away56
- Jardim Blumenau3.4 km away79
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.