Air quality · South America

Air quality in Brazil today

Right now the most polluted of the 25 Brazil cities we cover is Ribeirão Preto at AQI 204 (Very unhealthy); the cleanest is Uberlândia at 21.

US EPA AQI, modelled from the CAMS forecast. Refreshed 3 Nov, 07:52 UTC+0.

Cities in Brazil, worst air first

US AQI now in Brazil
#	City	AQI	Category	Population
1	Ribeirão Preto São Paulo	204	Very unhealthy	0.7 m people
2	Manaus Amazonas	106	Sensitive groups	2.2 m people
3	Sorocaba São Paulo	99	Moderate	0.8 m people
4	Campinas São Paulo	93	Moderate	1.0 m people
5	São Paulo	81	Moderate	12 m people
6	Rio de Janeiro	63	Moderate	6.7 m people
7	Curitiba Paraná	62	Moderate	1.9 m people
8	São José dos Campos São Paulo	59	Moderate	0.7 m people
9	Nova Iguaçu Rio de Janeiro	56	Moderate	0.8 m people
10	Maceió Alagoas	54	Moderate	1.0 m people
11	Belo Horizonte Minas Gerais	52	Moderate	2.7 m people
12	Recife Pernambuco	52	Moderate	1.7 m people
13	Porto Alegre Rio Grande do Sul	52	Moderate	1.5 m people
14	João Pessoa Paraíba	51	Moderate	0.8 m people
15	Belém Pará	47	Good	1.5 m people
16	Natal Rio Grande do Norte	47	Good	0.9 m people
17	Teresina Piauí	47	Good	0.9 m people
18	Fortaleza Ceará	43	Good	2.4 m people
19	Salvador Bahia	42	Good	2.7 m people
20	Aracaju Sergipe	42	Good	0.7 m people
21	São Luís Maranhão	31	Good	0.9 m people
22	Goiânia Goiás	24	Good	1.5 m people
23	Campo Grande Mato Grosso do Sul	23	Good	0.9 m people
24	Brasília Federal District	22	Good	2.2 m people
25	Uberlândia Minas Gerais	21	Good	0.8 m people

Good 0–50
Moderate 51–100
Unhealthy for sensitive groups 101–150
Unhealthy 151–200
Very unhealthy 201–300
Hazardous 301–500

Each city’s value is the CAMS model at the city’s coordinates, scored on the US EPA AQI. It is an estimate, not a station reading. How we calculate it.

Cities in Brazil, worst air first

More of South America