Sensitivity map
Schools and hospitals most exposed to noise in Rio de Janeiro
NBR 10151 sets 50 dB(A) by day and 45 at night as the reference for school and hospital areas, below the 55 dB(A) of residential areas. We scored 1,918 schools and 284 hospitals with a name in OpenStreetMap in Rio de Janeiro, with the same model used for the neighbourhoods, at the point of each one.
1,825 of 1,918 (95%) sit at points whose daytime estimate is above 50 dB(A); at night, 1,730 are above 45 dB(A). Average: 61.4 dB(A) by day.
277 of 284 (98%) sit at points whose daytime estimate is above 50 dB(A); at night, 270 are above 45 dB(A). Average: 63.3 dB(A) by day.
The 30 most exposed schools
The 30 most exposed hospitals
| Name | Neighbourhood | dB(A) day | night | Index | Road that weighs most |
|---|---|---|---|---|---|
| Hospital Municipal Raphael de Paula Souza | Curicica | 78 | 72 | 21 | TransOlímpica (motorway, 20 m) |
| Cms Enfermeira Edma Valadão | Acari | 78 | 72 | 21 | Avenida Brasil (motorway, 36 m) |
| Hospital Leopoldina | Kelson | 76 | 70 | 26 | Avenida Lôbo Júnior (arterial road, 12 m) |
| Saúde Assim | Vigário Geral | 76 | 69 | 27 | Avenida Marechal Floriano (arterial road, 5 m) |
| Policlínica Granato | Condomínio Village São Conrado | 75 | 68 | 28 | Avenida Niemeyer (arterial road, 7 m) |
| UPA Maré (Unidade de Pronto Atendimento) | Conjunto Pinheiros | 75 | 69 | 30 | Avenida Bento Ribeiro Dantas (motorway, 60 m) |
| Instituto Nacional de Traumatologia e Ortopedia | São Cristóvão | 73 | 67 | 34 | Avenida Rio de Janeiro (expressway, 53 m) |
| Instituto Angelica Mendes | Campos de Sernambetiba | 73 | 66 | 35 | Avenida das Américas (expressway, 41 m) |
| Complexo de Saúde do CBMERJ | Rio Comprido | 72 | 66 | 37 | Viaduto Engenheiro Freyssinet (motorway, 73 m) |
| Hospital Casa | Hospital de Câncer | Rio Comprido | 72 | 66 | 37 | Viaduto Engenheiro Freyssinet (motorway, 80 m) |
| Hospital Federal de Bonsucesso | Bento Ribeiro Dantas | 72 | 66 | 37 | Avenida Brasil (motorway, 88 m) |
| Prosim | Pavuna | 72 | 65 | 37 | Rua São João Batista (arterial road, 12 m) |
| Casa de Saúde Vila Paraíso | 71 | 64 | 38 | Rua Comandante Ari Parreiras (arterial road, 21 m) | |
| Clínica CliniPAE | 71 | 64 | 38 | Avenida Nilo Peçanha (arterial road, 13 m) | |
| Hospital da Pestalozi | São Francisco Xavier | 71 | 67 | 38 | Rua Visconde de Niterói (arterial road, 33 m) |
| Centro de Diagnóstico por Imagem (Rio Imagem) | Pequena África | 71 | 66 | 39 | Avenida Presidente Vargas (arterial road, 46 m) |
| UPA - Unidade Penha | Penha Circular | 71 | 65 | 39 | Avenida do Braz de Pina (arterial road, 30 m) |
| Centro Hospitalar para a Pandemia de Covid-19 / INI | Manguinhos | 71 | 65 | 39 | Avenida Brasil (motorway, 110 m) |
| Centro Municipal de Saúde Alemão | Complexo do Alemão | 71 | 64 | 39 | Estrada do Itararé (arterial road, 14 m) |
| Policlínica de Botafogo | Botafogo | 71 | 64 | 39 | Avenida Pasteur (arterial road, 24 m) |
| Upa 24h Ricardo de Albuquerque | Ricardo de Albuquerque | 71 | 66 | 39 | Estrada Marechal Alencastro (arterial road, 27 m) |
| Hospital de Clínicas Alameda | 71 | 65 | 40 | Alameda São Boaventura (expressway, 35 m) | |
| Hospital Escola São Francisco de Assis | Cidade Nova | 71 | 65 | 40 | Avenida Presidente Vargas (arterial road, 36 m) |
| Hospital Fundação do Cancer | Méier | 71 | 68 | 40 | Avenida Amaro Cavalcanti (arterial road, 77 m) |
| Hospital Pasteur | Méier | 71 | 67 | 40 | Avenida Amaro Cavalcanti (arterial road, 50 m) |
| Perinatal | Centro Metropolitano | 71 | 65 | 40 | Avenida Engenheiro Carlos Carvalho (expressway, 63 m) |
| Recreio Medical Center | Recreio dos Bandeirantes | 71 | 65 | 40 | Avenida das Américas (expressway, 56 m) |
| Hospital de Olhos Santa Beatriz | 71 | 64 | 40 | Avenida Quintino Bocaiúva (arterial road, 27 m) | |
| Norte D'Or Hospital | Cascadura | 71 | 68 | 40 | Rua Carolina Machado (arterial road, 62 m) |
| UPA de Marechal Hermes | Marechal Hermes | 71 | 66 | 41 | Rua João Vicente (arterial road, 53 m) |
An estimate at the map point, not a measurement. Buildings, walls and inner courtyards can cut the noise inside a school or hospital a lot. The list points to where measuring is worthwhile.
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.