Air quality by country

Air quality in Brazil today

Updated Sun, 25 Oct 2026 19:41:43 GMT

Moderate: average US AQI 54 across 144 cities Worst now: Manaus (139); cleanest: Caxias do Sul (24).

Live US AQI, PM2.5 and ozone for cities across Brazil, ranked from most polluted to cleanest.

Average US AQI: 54 Moderate
Most polluted now: Manaus AQI 139
Cleanest now: Caxias do Sul AQI 24
Cities above 100: 2 unhealthy for sensitive groups or worse

Air quality in Brazil today

Right now the modelled air quality in Brazil averages a US AQI of 54 (Moderate) across the 144 cities we track. By category: 42 Good, 100 Moderate, 2 Unhealthy for Sensitive Groups (of 144).

That is 12 points better than the worldwide average of 66 across 3,556 cities.

Manaus has the worst air at 139 with PM2.5 at 33 µg/m³, while Caxias do Sul is cleanest at 24. 2 cities are above 100, where sensitive groups should limit time outdoors.

Brazil cities by AQI (most polluted first)

City	Region	US AQI	Category	PM2.5 µg/m³	Ozone µg/m³
Manaus	Amazonas	139	Unhealthy for Sensitive Groups	33.1	112
Ribeirão Preto	São Paulo	104	Unhealthy for Sensitive Groups	15.6	75
Campos dos Goytacazes	Rio de Janeiro	85	Moderate	13	88
Nova Iguaçu	Rio de Janeiro	78	Moderate	7.7	91
Belford Roxo	Rio de Janeiro	78	Moderate	7.7	91
Nilópolis	Rio de Janeiro	78	Moderate	7.7	91
Queimados	Rio de Janeiro	78	Moderate	7.7	91
Rio de Janeiro	Rio de Janeiro	75	Moderate	9.7	91
Duque de Caxias	Rio de Janeiro	75	Moderate	9.7	91
Niterói	Rio de Janeiro	75	Moderate	9.7	91
São João de Meriti	Rio de Janeiro	75	Moderate	9.7	91
Barra da Tijuca	Rio de Janeiro	75	Moderate	9.7	91
Piracicaba	São Paulo	74	Moderate	10.5	78
Parauapebas	Pará	74	Moderate	14.1	80
Porto Velho	Rondônia	72	Moderate	20.2	86
Campinas	São Paulo	70	Moderate	8.1	93
Valinhos	São Paulo	70	Moderate	8.1	93
Limeira	São Paulo	67	Moderate	11.1	72
Rio Claro	São Paulo	67	Moderate	11.1	72
Santarém	Pará	63	Moderate	20.1	93
Guarulhos	São Paulo	62	Moderate	8.9	59
São Bernardo do Campo	São Paulo	62	Moderate	8.9	59
Santo André	São Paulo	62	Moderate	8.9	59
Mauá	São Paulo	62	Moderate	8.9	59
Diadema	São Paulo	62	Moderate	8.9	59
Itaquaquecetuba	São Paulo	62	Moderate	8.9	59
Mogi das Cruzes	São Paulo	62	Moderate	8.9	59
Suzano	São Paulo	62	Moderate	8.9	59
Ferraz de Vasconcelos	São Paulo	62	Moderate	8.9	59
São Caetano do Sul	São Paulo	62	Moderate	8.9	59
Ribeirão Pires	São Paulo	62	Moderate	8.9	59
Poá	São Paulo	62	Moderate	8.9	59
Franca	São Paulo	61	Moderate	13.7	87
Maceió	Alagoas	60	Moderate	11.2	52
Concórdia, Santa Catarina	Santa Catarina	59	Moderate	4.5	62
Santos	São Paulo	58	Moderate	8.7	64
Praia Grande	São Paulo	58	Moderate	8.7	64
São Vicente	São Paulo	58	Moderate	8.7	64
Petrópolis	Rio de Janeiro	58	Moderate	7.9	84
Guarujá	São Paulo	58	Moderate	8.7	64
Cubatão	São Paulo	58	Moderate	8.7	64
Ceilândia	Federal District	57	Moderate	8	82
Águas Lindas de Goiás	Goiás	57	Moderate	8	82
São José do Rio Preto	São Paulo	56	Moderate	7.6	85
Montes Claros	Minas Gerais	56	Moderate	8.8	100
Boa Vista	Roraima	56	Moderate	13.4	66
São Paulo	São Paulo	55	Moderate	7.5	63
Recife	Pernambuco	55	Moderate	7.3	54
Osasco	São Paulo	55	Moderate	7.5	63
Jaboatão dos Guararapes	Pernambuco	55	Moderate	7.3	54
Maringá	Paraná	55	Moderate	5.5	81
Carapicuíba	São Paulo	55	Moderate	7.5	63
Olinda	Pernambuco	55	Moderate	7.3	54
Paulista	Pernambuco	55	Moderate	7.3	54
Barueri	São Paulo	55	Moderate	7.5	63
Palmas	Tocantins	55	Moderate	12.3	86
Itajaí	Santa Catarina	55	Moderate	5.5	56
Cotia	São Paulo	55	Moderate	7.5	63
Itapevi	São Paulo	55	Moderate	7.5	63
Santana de Parnaíba	São Paulo	55	Moderate	7.5	63
Camaragibe	Pernambuco	55	Moderate	7.3	54
Balneário Camboriú	Santa Catarina	55	Moderate	5.5	56
São Lourenço da Mata	Pernambuco	55	Moderate	7.3	54
Jandira	São Paulo	55	Moderate	7.5	63
Camboriú	Santa Catarina	55	Moderate	5.5	56
Abreu e Lima	Pernambuco	55	Moderate	7.3	54
Moreno, Pernambuco	Pernambuco	55	Moderate	7.3	54
Teresina	Piauí	54	Moderate	9.6	82
João Pessoa	Paraíba	54	Moderate	9.3	52
Caruaru	Pernambuco	54	Moderate	9.8	82
Timon	Maranhão	54	Moderate	9.6	82
Salvador	Bahia	53	Moderate	12.7	65
Brasília	Federal District	53	Moderate	8.9	95
Sorocaba	São Paulo	53	Moderate	2.4	62
Jundiaí	São Paulo	53	Moderate	6.2	82
Blumenau	Santa Catarina	53	Moderate	6.9	65
Camaçari	Bahia	53	Moderate	12.7	65
Colombo, Paraná	Paraná	53	Moderate	7.4	69
Plano Piloto	Federal District	53	Moderate	8.9	95
Brusque	Santa Catarina	53	Moderate	6.9	65
Votorantim	São Paulo	53	Moderate	2.4	62
Águas Claras	Federal District	53	Moderate	8.9	95
Guará	Federal District	53	Moderate	8.9	95
Almirante Tamandaré	Paraná	53	Moderate	7.4	69
Natal	Rio Grande do Norte	52	Moderate	10.1	49
Aracaju	Sergipe	52	Moderate	12.4	61
Serra	Espírito Santo	52	Moderate	12.3	67
Campina Grande	Paraíba	52	Moderate	6.4	73
Vitória da Conquista	Bahia	52	Moderate	8.4	85
Vila Velha	Espírito Santo	52	Moderate	12.3	67
Cariacica	Espírito Santo	52	Moderate	13.6	70
Vitória	Espírito Santo	52	Moderate	12.3	67
São Gonçalo do Amarante	Rio Grande do Norte	52	Moderate	10.1	49
Belo Horizonte	Minas Gerais	51	Moderate	7.9	83
Fortaleza	Ceará	51	Moderate	12	48
Contagem	Minas Gerais	51	Moderate	7.9	83
Cuiabá	Mato Grosso	51	Moderate	10.5	85
Bauru	São Paulo	51	Moderate	6.3	78
Betim	Minas Gerais	51	Moderate	7.9	83
Várzea Grande	Mato Grosso	51	Moderate	10.5	85
Ponta Grossa	Paraná	51	Moderate	7.5	82
Ibirité	Minas Gerais	51	Moderate	7.9	83
Goiânia	Goiás	50	Good	7.9	84
Aparecida de Goiânia	Goiás	50	Good	7.9	84
Anápolis	Goiás	50	Good	7.2	78
Uberlândia	Minas Gerais	49	Good	7.3	90
Belém	Pará	48	Good	12.8	61
Feira de Santana	Bahia	48	Good	13.3	79
Londrina	Paraná	48	Good	6.5	86
Cambé	Paraná	48	Good	6.5	86
São José dos Campos	São Paulo	47	Good	2.6	73
Jacareí	São Paulo	47	Good	2.6	73
Juiz de Fora	Minas Gerais	46	Good	5.3	75
Ribeirão das Neves	Minas Gerais	46	Good	8.3	80
Taubaté	São Paulo	46	Good	2.3	72
Pindamonhangaba	São Paulo	46	Good	2.3	72
Vespasiano	Minas Gerais	46	Good	8.3	80
São Luís	Maranhão	44	Good	7.6	46
Campo Grande	Mato Grosso do Sul	44	Good	2.8	66
Caucaia	Ceará	44	Good	10	50
Uberaba	Minas Gerais	44	Good	7.2	79
Joinville	Santa Catarina	43	Good	5.1	59
Macapá	Amapá	43	Good	10.4	67
Curitiba	Paraná	42	Good	5.1	67
Petrolina	Pernambuco	42	Good	5.1	86
Cascavel	Paraná	42	Good	4	70
São José dos Pinhais	Paraná	42	Good	5.1	67
Juazeiro do Norte	Ceará	42	Good	8.2	84
Juazeiro	Bahia	42	Good	5.1	86
Toledo, Paraná	Paraná	42	Good	4	70
Pinhais	Paraná	42	Good	5.1	67
Rio Branco	Acre	40	Good	7.5	30
São José	Santa Catarina	40	Good	6.7	56
Ananindeua	Pará	37	Good	10.1	55
Marituba	Pará	37	Good	10.1	55
Santa Rosa, Rio Grande do Sul	Rio Grande do Sul	35	Good	2.5	60
Foz do Iguaçu	Paraná	34	Good	4.8	63
Florianópolis	Santa Catarina	31	Good	6.2	63
Porto Alegre	Rio Grande do Sul	29	Good	5	55
Canoas	Rio Grande do Sul	29	Good	5	55
Pelotas	Rio Grande do Sul	27	Good	3.6	45
Montenegro	Rio Grande do Sul	26	Good	4.6	53
Santiago, Rio Grande do Sul	Rio Grande do Sul	26	Good	3.3	57
Caxias do Sul	Rio Grande do Sul	24	Good	5	56

What the US AQI numbers mean

US AQI	Category	What it means
0-50	Good	Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
51-100	Moderate	Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
101-150	Unhealthy for Sensitive Groups	People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
151-200	Unhealthy	Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed.
201-300	Very Unhealthy	Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors.
301-500	Hazardous	Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500.

Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.

Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).

Air quality in Brazil today

Air quality in Brazil today

Brazil cities by AQI (most polluted first)

What the US AQI numbers mean

More