Neighbourhood noise map
Santa Helena, Castanhal
Sossego Index 80 out of 100: Calm. Ranked 22 of the 30 neighbourhoods rated in Castanhal. That is below the city average of 84.
Low noise most of the day. You can sleep with the window open.
Inside the neighbourhood the index runs from 44 to 94. 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 Barão do Rio Branco (collector road, 330 m), Travessa Santa Catarina (residential street, 46 m) and Avenida Brasília (main local road, 283 m). Traffic is the main source of noise.
The nearest airport is an unnamed airfield (small), 3.2 km away. Far enough to barely count.
Day and night
By day the estimate is 55 dB(A), index 80. At night, with less traffic, it drops to 47 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.
- Cristo Redentor927 m away69
- Fonte Boa1.2 km away90
- Salles Jardim1.5 km away80
- Nova Olinda1.5 km away66
- Titanlândia1.8 km away65
- Saudade2.6 km away79
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.