Neighbourhood noise map
City Petrópolis, Franca
Sossego Index 90 out of 100: Very calm. Ranked 32 of the 231 neighbourhoods rated in Franca. That is above the city average of 74.
Very low noise. The quiet of a far residential area or a green space.
Inside the neighbourhood the index runs from 69 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 José Gianesella (main local road, 98 m), Avenida São Pedro (main local road, 115 m) and Avenida Theodomiro Ramos (main local road, 137 m).
The nearest airport is an unnamed airfield (small), 3.3 km away. Far enough to barely count.
Day and night
By day the estimate is 52 dB(A), index 90. At night, with less traffic, it drops to 42 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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The closest neighbourhoods and their scores.
- Jardim Ipanema609 m away100
- Jardim Cambuí1.1 km away70
- Miramontes1.2 km away79
- Residencial Dona Maria1.2 km away79
- Residencial Olavo Pinheiro1.5 km away80
- Parque do Horto1.6 km away59
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.