Neighbourhood noise map
Cohab 4, Petrolina
Sossego Index 71 out of 100: Calm. Ranked 117 of the 182 neighbourhoods rated in Petrolina. 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 15 to 79. Some corners are much louder than others, usually next to the avenues.
The roads that weigh most on the noise of the neighbourhood are BR-407 (expressway, 253 m), Rua Antônio Petronilo (residential street, 14 m) and Rua Vinte e Um (main local road, 226 m). Traffic is the main source of noise.
The nearest airport is Aeroporto de Petrolina - Senador Nilo Coelho (international), 3 km away. Close enough to weigh on the index.
Day and night
By day the estimate is 59 dB(A), index 71. At night, with less traffic, it drops to 53 dB(A), index 88. 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 Cohab 4Neighbouring areas
The closest neighbourhoods and their scores.
- Cohab IV57 m away67
- Cohab Massangano147 m away74
- Cohab 5261 m away76
- Cohab V562 m away72
- Jardim Amazonas664 m away50
- Parque Massangano1.1 km away58
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.