SmogRank / World / Chile / January 2024

Most polluted cities in Chile, January 2024

41 cities in Chile ranked by their average PM2.5 over the 31 days. Worst: Hualpén at 24.3 µg/m³, #177 of 2,056 cities in the world. Cleanest: Puerto Aysén at 12.7. A city needs measurements on 70% of the days to be ranked.

← Hualpén 24.3 µg/m³ 20 µg/m³0
Every city in Chile ranked for January 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. 1HualpénBiobio
    79
  2. 2SantiagoSantiago Metropolitan
    78
  3. 3Puente AltoSantiago Metropolitan
    77
  4. 4QuinteroValparaiso
    75
  5. 5RengoO'Higgins Region
    74
  6. 6TocopillaAntofagasta
    74
  7. 6TalaganteSantiago Metropolitan
    74
  8. 8Viña del MarValparaiso
    72
  9. 9RancaguaO'Higgins Region
    71
  10. 9AricaArica y Parinacota Region
    71
  11. 11ToméBiobio
    71
  12. 12TalcahuanoBiobio
    71
  13. 13San CarlosÑuble
    70
  14. 13HualquiBiobio
    70
  15. 13San Pedro de la PazBiobio
    70
  16. 16NacimientoBiobio
    70
  17. 16CoronelBiobio
    70
  18. 18QuillotaValparaiso
    69
  19. 19CuricóMaule Region
    69
  20. 20ConcónValparaiso
    68
  21. 21CoquimboCoquimbo Region
    68
  22. 21CalamaAntofagasta
    68
  23. 23ChillánÑuble
    67
  24. 24CopiapóAtacama
    67
  25. 25Puerto VarasLos Lagos Region
    66
  26. 26CuranilahueBiobio
    66
  27. 26ChiguayanteBiobio
    66
  28. 28AntofagastaAntofagasta
    65
  29. 29CauquenesMaule Region
    65
  30. 30ConcepciónBiobio
    64
  31. 31CoyhaiqueAysén
    64
  32. 32QuilpuéValparaiso
    64
  33. 32Puerto MonttLos Lagos Region
    64
  34. 34TalcaMaule Region
    64
  35. 35La SerenaCoquimbo Region
    63
  36. 36ValdiviaLos Ríos Region
    62
  37. 37Alto HospicioTarapacá
    61
  38. 38Los ÁngelesBiobio
    61
  39. 39TemucoAraucania
    60
  40. 40La UniónLos Ríos Region
    60
  41. 41Puerto AysénAysén
    58
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, January 2024 · Chile now

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SmogRank, most polluted cities in Chile, PM2.5, January 2024, smogrank.com/cl/history/2024-01 (accessed 2 Oct 2026).

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