Neighbourhood noise map
Ouro Preto (Parte Baixa), Petrolina
Sossego Index 79 out of 100: Calm. Ranked 82 of the 182 neighbourhoods rated in Petrolina. That is above 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 57 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 Avenida Sete de Setembro (expressway, 504 m), Rua Clara Nunes (residential street, 27 m) and Avenida Um (residential street, 27 m).
The nearest airport is Aeroporto de Petrolina - Senador Nilo Coelho (international), 4.2 km away. Close enough to weigh on the index.
There is a railway line 646 m away. Nearby local sources: Estrada de Ferro Petrolina-Teresina (646 m).
Day and night
By day the estimate is 56 dB(A), index 79. At night, with less traffic, it drops to 51 dB(A), index 93. It is above the NBR 10151 reference for residential areas (55 dB(A) by day and 50 at night) in both periods.
What makes up the index
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Test an address in Ouro Preto (Parte Baixa)Neighbouring areas
The closest neighbourhoods and their scores.
- Vila dos Sargentos434 m away60
- Ouro Preto470 m away73
- Colina do Rio472 m away72
- Ouro Preto (Parte Alta)612 m away65
- Antônio Cassimiro II613 m away75
- Vale do Grande Rio743 m away82
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.