Neighbourhood noise map
Alterosa, Montes Claros
Sossego Index 76 out of 100: Calm. Ranked 71 of the 191 neighbourhoods rated in Montes Claros. That matches the city average of 74.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 33 to 90. Some corners are much louder than others, usually next to the avenues.
The roads that weigh most on the noise of the neighbourhood are Avenida Doutor Mário Tourinho (expressway, 324 m), Avenida Nossa Senhora das Graças (collector road, 154 m) and Rua da Democracia (residential street, 29 m). Traffic is the main source of noise.
The nearest airport is Aeroporto de Montes Claros - Mário Ribeiro (international), 7.6 km away. Far enough to barely count.
There is a railway line 1.4 km away. Nearby local sources: railway (1.4 km).
Day and night
By day the estimate is 57 dB(A), index 76. At night, with less traffic, it drops to 50 dB(A), index 94. 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 AlterosaNeighbouring areas
The closest neighbourhoods and their scores.
- Santo Amaro557 m away70
- Itatiaia565 m away84
- Nossa Senhora das Graças578 m away82
- Conjunto Olga Benário718 m away72
- José Corrêa Machado940 m away63
- Residencial Sul Ipês975 m away70
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.