SmogRank / World / Chile / October 2024

Most polluted cities in Chile, October 2024

42 cities in Chile ranked by their average PM2.5 over the 31 days. Worst: Puerto Varas at 33.4 µg/m³, #27 of 1,743 cities in the world. Cleanest: Alto Hospicio at 16.4. A city needs measurements on 70% of the days to be ranked.

← Puerto Varas 33.4 µg/m³ 30 µg/m³0
Every city in Chile ranked for October 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1Puerto VarasLos Lagos Region
    96
  2. 2NacimientoBiobio
    96
  3. 3CoyhaiqueAysén
    85
  4. 4HualpénBiobio
    84
  5. 5La UniónLos Ríos Region
    83
  6. 6CoronelBiobio
    82
  7. 7OsornoLos Lagos Region
    82
  8. 8VillarricaAraucania
    81
  9. 9ChiguayanteBiobio
    80
  10. 10Puente AltoSantiago Metropolitan
    79
  11. 11SantiagoSantiago Metropolitan
    78
  12. 12HualquiBiobio
    78
  13. 13CuranilahueBiobio
    77
  14. 14TocopillaAntofagasta
    77
  15. 15Puerto MonttLos Lagos Region
    76
  16. 16ToméBiobio
    75
  17. 17AntofagastaAntofagasta
    73
  18. 18ValdiviaLos Ríos Region
    73
  19. 19TemucoAraucania
    73
  20. 20RancaguaO'Higgins Region
    72
  21. 20QuinteroValparaiso
    72
  22. 22QuillotaValparaiso
    71
  23. 23Puerto AysénAysén
    71
  24. 23ConcónValparaiso
    71
  25. 25TalcahuanoBiobio
    71
  26. 26TalaganteSantiago Metropolitan
    70
  27. 26AricaArica y Parinacota Region
    70
  28. 28ChillánÑuble
    69
  29. 29CauquenesMaule Region
    69
  30. 30Viña del MarValparaiso
    68
  31. 30CuricóMaule Region
    68
  32. 30San Pedro de la PazBiobio
    68
  33. 33RengoO'Higgins Region
    67
  34. 34Los ÁngelesBiobio
    67
  35. 35CopiapóAtacama
    66
  36. 36ConcepciónBiobio
    66
  37. 37LotaBiobio
    66
  38. 38La SerenaCoquimbo Region
    66
  39. 39CalamaAntofagasta
    65
  40. 40CoquimboCoquimbo Region
    65
  41. 41TalcaMaule Region
    65
  42. 42Alto HospicioTarapacá
    65
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, October 2024 · Chile now

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SmogRank, most polluted cities in Chile, PM2.5, October 2024, smogrank.com/cl/history/2024-10 (accessed 2 Oct 2026).

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