Neighbourhood noise map
Portal do Sol, São Carlos
Sossego Index 73 out of 100: Calm. Ranked 147 of the 288 neighbourhoods rated in São Carlos. That matches the city average of 75.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 22 to 92. 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 Comendador Alfredo Maffei (arterial road, 143 m), Avenida José Fortuna (residential street, 3 m) and Avenida Doutor Germano Fehr Junior (arterial road, 344 m). Traffic is the main source of noise.
The nearest airport is Fazenda Agropecuária Rossignolo (small), 13.5 km away. Far enough to barely count.
Day and night
By day the estimate is 58 dB(A), index 73. At night, with less traffic, it drops to 51 dB(A), index 92. 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
Moving here?
Open the neighbourhood heatmap and test the exact address, with floor and window facing for apartments.
Test an address in Portal do SolNeighbouring areas
The closest neighbourhoods and their scores.
- Jardim Nossa Senhora Aparecida (Prolongamento)274 m away74
- Quadra 6316 m away93
- Quadra 8317 m away92
- Quadra 4329 m away88
- Quadra 10352 m away90
- Quadra 2358 m away93
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.