Neighbourhood noise map
Fortaleza Alta, Blumenau
Sossego Index 97 out of 100: Very calm. Ranked 12 of the 42 neighbourhoods rated in Blumenau. That is above the city average of 83.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 86 to 100. Noise is similar across the whole area.
The roads that weigh most on the noise of the neighbourhood are Rua Theodor Kleine (main local road, 134 m), Rodovia Ingo Hering (expressway, 843 m) and Rua Theodoro Pasold (main local road, 218 m).
The nearest airport is Aeroporto Regional de Blumenau (regional), 4.1 km away. Far enough to barely count.
Day and night
By day the estimate is 49 dB(A), index 97. At night, with less traffic, it drops to 41 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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Test an address in Fortaleza AltaNeighbouring areas
The closest neighbourhoods and their scores.
- Loteamento Villa Europa343 m away96
- Fidélis1.9 km away100
- Fortaleza2.4 km away80
- Tribess2.5 km away89
- Nova Esperança4 km away100
- Itoupava Norte4.2 km away76
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.