SmogRank / World / Chile / September 2024

Most polluted cities in Chile, September 2024

42 cities in Chile ranked by their average PM2.5 over the 30 days. Worst: Osorno at 47.5 µg/m³, #7 of 1,734 cities in the world. Cleanest: Alto Hospicio at 16.6. A city needs measurements on 70% of the days to be ranked.

← Osorno 47.5 µg/m³ 40 µg/m³0
Every city in Chile ranked for September 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. 1OsornoLos Lagos Region
    131
  2. 2VillarricaAraucania
    122
  3. 3Puerto VarasLos Lagos Region
    119
  4. 4La UniónLos Ríos Region
    118
  5. 5HualpénBiobio
    111
  6. 6ValdiviaLos Ríos Region
    106
  7. 7Puerto MonttLos Lagos Region
    103
  8. 8NacimientoBiobio
    103
  9. 9CuranilahueBiobio
    96
  10. 10HualquiBiobio
    95
  11. 11TemucoAraucania
    94
  12. 12Puerto AysénAysén
    93
  13. 12CoyhaiqueAysén
    93
  14. 14CoronelBiobio
    92
  15. 15SantiagoSantiago Metropolitan
    89
  16. 16RancaguaO'Higgins Region
    88
  17. 16Puente AltoSantiago Metropolitan
    88
  18. 18RengoO'Higgins Region
    87
  19. 19ChillánÑuble
    87
  20. 20CuricóMaule Region
    85
  21. 21QuillotaValparaiso
    85
  22. 22ChiguayanteBiobio
    85
  23. 23Los ÁngelesBiobio
    82
  24. 24QuinteroValparaiso
    81
  25. 25CauquenesMaule Region
    79
  26. 26TalaganteSantiago Metropolitan
    79
  27. 27ToméBiobio
    77
  28. 28AntofagastaAntofagasta
    77
  29. 29TalcaMaule Region
    76
  30. 30TalcahuanoBiobio
    76
  31. 31La SerenaCoquimbo Region
    75
  32. 32TocopillaAntofagasta
    74
  33. 32QuilpuéValparaiso
    74
  34. 34ConcónValparaiso
    74
  35. 35Viña del MarValparaiso
    73
  36. 35CoquimboCoquimbo Region
    73
  37. 37CopiapóAtacama
    72
  38. 38ConcepciónBiobio
    70
  39. 38San Pedro de la PazBiobio
    70
  40. 40AricaArica y Parinacota Region
    69
  41. 41CalamaAntofagasta
    67
  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, September 2024 · Chile now

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SmogRank, most polluted cities in Chile, PM2.5, September 2024, smogrank.com/cl/history/2024-09 (accessed 2 Oct 2026).

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