Breathing in Maranhão is Injurious to Health.

Air pollution threatens the health of 7.1 million people across 217 districts in Maranhão. The average PM2.5 level is 10.2 µg/m³—2.0× higher than the WHO guideline.

AboutMake Air Quality Great AgainAQLI Data

Brought to you by Amrit Sharma

Overview

Air Pollution in Maranhão

Maranhão faces significant air pollution challenges. 100% of districts exceed the WHO guideline for clean air. This is putting 7.1 million across 217 districts at risk.

The average PM2.5 over 2023 was 10.2µg/m³. That's 2.0 times the WHO guideline for clean air of 5µg/m³.

This is equivalent of everybody, including children, smoking about 169 cigarettes in a year.

Trends

Air Quality Trend

Annual PM2.5 levels from 2014 to 2023. The WHO guideline for safe air is 5 µg/m³.

Health Impact

Life Expectancy Impact

If Maranhão met the WHO guideline of 5 µg/m³, the average person would live 0.51 years longer.

That's 3.6M years of life stolen from 7.1 million people. Years of watching children grow up. Years of building a career. Years of quiet mornings and celebrations.

Lives cut short. Breathing kills.

Most Polluted

Districts with Highest Pollution

The top 10 most polluted districts in Maranhão. These areas face the greatest health burden from air pollution.

  • 1.São Pedro da Água Branca
    1.2 years lost
  • 2.Vila Nova dos Martírios
    1.2 years lost
  • 3.Cidelândia
    1.1 years lost
  • 4.Imperatriz
    1.1 years lost
  • 5.Campestre do Maranhão
    1.1 years lost
  • 6.Porto Franco
    1.1 years lost
  • 7.Estreito
    1.1 years lost
  • 8.Açailândia
    1 years lost
  • 9.Governador Edison Lobão
    1 years lost
  • 10.Carolina
    1 years lost
Exposure

Population Exposure by Pollution Level

Distribution of population across different PM2.5 pollution levels. The WHO guideline is 5 µg/m³—only populations below this threshold are breathing safe air.

< 5 µg/m³
0%
0
5-10 µg/m³
51.2%
3.7M
10-15 µg/m³
39.8%
2.8M
15-25 µg/m³
9%
647K
25-35 µg/m³
0%
0
> 35 µg/m³
0%
0
Districts

All 217 Districts in Maranhão

Complete air quality data for every district in Maranhão, sorted by population.

DistrictPopulationPM2.5 µg/m³Years Lost
São Luís1.1M
7.9
0.3 years
Imperatriz287K
16.0
1.1 years
São José de Ribamar282K
7.6
0.3 years
Timon184K
9.3
0.4 years
Caxias162K
10.5
0.5 years
Paço do Lumiar153K
7.3
0.2 years
Codó118K
10.9
0.6 years
Açailândia113K
15.6
1.0 years
Bacabal110K
12.2
0.7 years
Balsas106K
11.9
0.7 years
Santa Inês90K
12.7
0.8 years
Pinheiro90K
8.5
0.3 years
Barra do Corda89K
12.6
0.7 years
Chapadinha86K
8.9
0.4 years
Grajaú78K
13.2
0.8 years
Barreirinhas73K
6.2
0.1 years
Itapecuru Mirim69K
9.5
0.4 years
Coroatá63K
10.8
0.6 years
Santa Luzia60K
13.1
0.8 years
Tutóia56K
5.6
0.1 years
Buriticupu55K
14.0
0.9 years
Viana54K
10.1
0.5 years
Vargem Grande51K
9.3
0.4 years
São Bento49K
9.1
0.4 years
Presidente Dutra47K
11.5
0.6 years
Lago da Pedra47K
12.6
0.7 years
Coelho Neto44K
9.9
0.5 years
Santa Helena43K
7.8
0.3 years
Zé Doca43K
10.7
0.6 years
Colinas42K
11.7
0.7 years
Araioses41K
5.2
0.0 years
São Mateus do Maranhão41K
10.7
0.6 years
Turiaçu39K
7.4
0.2 years
Pedreiras39K
12.4
0.7 years
Rosário39K
8.8
0.4 years
Amarante do Maranhão38K
14.0
0.9 years
Santa Rita37K
9.0
0.4 years
Tuntum36K
11.5
0.6 years
Brejo36K
7.4
0.2 years
São Domingos do Maranhão36K
11.0
0.6 years
Estreito35K
15.9
1.1 years
Bom Jardim35K
12.5
0.7 years
Urbano Santos35K
7.7
0.3 years
Penalva34K
10.4
0.5 years
Matões34K
9.8
0.5 years
Turilândia34K
7.8
0.3 years
Raposa33K
7.5
0.2 years
Cururupu33K
6.2
0.1 years
Parnarama33K
10.4
0.5 years
Vitória do Mearim32K
11.2
0.6 years
Vitorino Freire32K
12.4
0.7 years
Buriti31K
8.3
0.3 years
Pindaré-Mirim31K
12.6
0.7 years
Arari31K
11.2
0.6 years
Bom Jesus das Selvas30K
14.8
1.0 years
Monção29K
11.6
0.6 years
São Bernardo28K
6.0
0.1 years
Timbiras28K
11.0
0.6 years
Alto Alegre do Pindaré27K
13.1
0.8 years
Arame27K
13.4
0.8 years
São João dos Patos27K
10.9
0.6 years
Humberto de Campos27K
7.3
0.2 years
João Lisboa26K
15.1
1.0 years
Icatu26K
8.1
0.3 years
Pedro do Rosário26K
9.5
0.4 years
Carutapera26K
7.5
0.2 years
Carolina25K
15.3
1.0 years
Anajatuba25K
10.0
0.5 years
Itinga do Maranhão25K
15.1
1.0 years
Santa Quitéria do Maranhão25K
6.9
0.2 years
Porto Franco25K
15.9
1.1 years
Santa Luzia do Paruá25K
9.0
0.4 years
Alto Alegre do Maranhão24K
11.0
0.6 years
Dom Pedro24K
11.9
0.7 years
Governador Nunes Freire24K
7.8
0.3 years
Aldeias Altas24K
10.3
0.5 years
Trizidela do Vale24K
12.3
0.7 years
Buriti Bravo24K
10.5
0.5 years
Riachão23K
12.2
0.7 years
Pio XII23K
11.8
0.7 years
Matinha23K
9.7
0.5 years
Maracaçumé22K
8.0
0.3 years
Palmeirândia22K
8.4
0.3 years
Mirador22K
11.9
0.7 years
Miranda do Norte22K
10.3
0.5 years
Peritoró22K
11.5
0.6 years
Paulo Ramos21K
12.6
0.7 years
Cândido Mendes21K
7.4
0.2 years
Bequimão21K
8.0
0.3 years
Paraibano21K
10.9
0.6 years
São Vicente Ferrer20K
8.7
0.4 years
Barão de Grajaú20K
9.9
0.5 years
Pastos Bons20K
10.5
0.5 years
São Raimundo das Mangabeiras20K
11.3
0.6 years
São João Batista20K
9.4
0.4 years
Governador Edison Lobão19K
15.3
1.0 years
Esperantinópolis19K
12.2
0.7 years
São Benedito do Rio Preto19K
8.1
0.3 years
Morros19K
8.1
0.3 years
Olho d'Água das Cunhãs19K
11.7
0.7 years
São Luís Gonzaga do Maranhão19K
11.6
0.6 years
Formosa da Serra Negra19K
12.9
0.8 years
Alcântara19K
7.8
0.3 years
Matões do Norte19K
10.2
0.5 years
Presidente Sarney18K
8.6
0.4 years
Gonçalves Dias18K
11.4
0.6 years
Cantanhede18K
9.9
0.5 years
Passagem Franca18K
10.9
0.6 years
Poção de Pedras18K
12.3
0.7 years
Fortuna18K
10.4
0.5 years
Jenipapo dos Vieiras18K
12.5
0.7 years
Paulino Neves18K
5.7
0.1 years
Apicum-Açu18K
7.1
0.2 years
Bacabeira18K
9.0
0.4 years
Mata Roma18K
7.7
0.3 years
Sítio Novo18K
13.6
0.8 years
Cajari17K
10.7
0.6 years
Centro Novo do Maranhão17K
9.6
0.5 years
Bacuri17K
6.7
0.2 years
São João do Soter17K
11.1
0.6 years
Joselândia16K
11.9
0.7 years
Conceição do Lago-Açu16K
11.8
0.7 years
Pirapemas16K
9.9
0.5 years
Senador La Rocque15K
15.2
1.0 years
Lago Verde15K
11.5
0.6 years
Davinópolis15K
15.2
1.0 years
São Pedro da Água Branca15K
17.0
1.2 years
Santo Antônio dos Lopes15K
12.0
0.7 years
Nova Olinda do Maranhão15K
9.3
0.4 years
Mirinzal15K
6.2
0.1 years
Governador Eugênio Barros15K
11.2
0.6 years
Itaipava do Grajaú15K
13.1
0.8 years
Maranhãozinho15K
8.5
0.3 years
Anapurus15K
7.7
0.3 years
Magalhães de Almeida14K
6.0
0.1 years
Igarapé do Meio14K
11.6
0.6 years
Olinda Nova do Maranhão14K
9.2
0.4 years
Santo Amaro do Maranhão14K
6.7
0.2 years
Primeira Cruz14K
6.9
0.2 years
Buritirana14K
14.6
0.9 years
Cidelândia14K
16.2
1.1 years
Fortaleza dos Nogueiras13K
12.7
0.8 years
Nina Rodrigues13K
8.8
0.4 years
Centro do Guilherme13K
9.3
0.4 years
São João do Carú13K
12.6
0.7 years
Campestre do Maranhão13K
16.0
1.1 years
Água Doce do Maranhão13K
5.5
0.0 years
São Francisco do Maranhão13K
10.3
0.5 years
Bela Vista do Maranhão13K
11.8
0.7 years
Axixá12K
8.4
0.3 years
Bom Lugar12K
11.5
0.6 years
Loreto12K
10.8
0.6 years
Lagoa Grande do Maranhão12K
12.6
0.7 years
Capinzal do Norte12K
11.8
0.7 years
Lima Campos12K
11.9
0.7 years
Presidente Juscelino12K
8.3
0.3 years
Araguanã12K
9.9
0.5 years
Peri Mirim12K
8.3
0.3 years
Alto Parnaíba12K
9.5
0.4 years
Fernando Falcão11K
12.1
0.7 years
Governador Newton Bello11K
11.4
0.6 years
Lagoa do Mato11K
10.6
0.5 years
Santana do Maranhão11K
5.6
0.1 years
Governador Archer11K
11.7
0.7 years
Montes Altos11K
14.3
0.9 years
Sucupira do Norte11K
11.3
0.6 years
Guimarães11K
6.9
0.2 years
Cachoeira Grande11K
8.2
0.3 years
Duque Bacelar11K
8.9
0.4 years
Igarapé Grande11K
12.3
0.7 years
Serrano do Maranhão11K
6.7
0.2 years
Vila Nova dos Martírios11K
16.9
1.2 years
Senador Alexandre Costa11K
11.5
0.6 years
Cajapió11K
8.7
0.4 years
Godofredo Viana10K
7.2
0.2 years
São João do Paraíso10K
14.6
0.9 years
Presidente Vargas10K
8.8
0.4 years
Lago do Junco10K
12.1
0.7 years
Brejo de Areia10K
12.8
0.8 years
Tasso Fragoso9K
10.4
0.5 years
São Francisco do Brejão9K
15.0
1.0 years
Satubinha9K
11.9
0.7 years
Milagres do Maranhão9K
7.0
0.2 years
Lago dos Rodrigues9K
12.4
0.7 years
Belágua9K
7.4
0.2 years
Jatobá9K
10.6
0.5 years
Feira Nova do Maranhão8K
13.2
0.8 years
São Domingos do Azeitão8K
10.7
0.6 years
Cedral8K
6.6
0.2 years
Boa Vista do Gurupi8K
8.6
0.3 years
Ribamar Fiquene8K
15.3
1.0 years
Marajá do Sena8K
12.9
0.8 years
Amapá do Maranhão8K
7.6
0.3 years
Luís Domingues8K
7.1
0.2 years
Central do Maranhão7K
7.0
0.2 years
Governador Luiz Rocha7K
10.7
0.6 years
Lajeado Novo7K
14.1
0.9 years
São José dos Basílios7K
12.0
0.7 years
Santa Filomena do Maranhão7K
11.2
0.6 years
Altamira do Maranhão7K
12.8
0.8 years
Afonso Cunha6K
9.3
0.4 years
Graça Aranha6K
11.2
0.6 years
Porto Rico do Maranhão6K
6.5
0.1 years
Bernardo do Mearim6K
12.1
0.7 years
São Pedro dos Crentes6K
12.8
0.8 years
São Raimundo do Doca Bezerra6K
11.7
0.7 years
Sambaíba6K
11.0
0.6 years
Tufilândia6K
12.8
0.8 years
Benedito Leite6K
10.9
0.6 years
Bacurituba5K
9.6
0.4 years
Junco do Maranhão5K
8.0
0.3 years
Nova Colinas5K
12.3
0.7 years
Sucupira do Riachão5K
10.5
0.5 years
Presidente Médici5K
8.7
0.4 years
São Roberto5K
11.7
0.7 years
São Félix de Balsas5K
10.9
0.6 years
Nova Iorque5K
10.5
0.5 years

Showing 217 districts, sorted by population (largest first). PM2.5 values are for 2023. Years lost calculated against WHO guideline of 5 µg/m³.