SmogRank / World / Chile / November 2025

Most polluted cities in Chile, November 2025

41 cities in Chile ranked by their average PM2.5 over the 30 days. Worst: Hualpén at 27.1 µg/m³, #345 of 2,370 cities in the world. Cleanest: Linares at 13.6. A city needs measurements on 70% of the days to be ranked.

← Hualpén 27.1 µg/m³ 20 µg/m³0
Every city in Chile ranked for November 2025, 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
    85
  2. 2AricaArica y Parinacota Region
    81
  3. 3Puente AltoSantiago Metropolitan
    81
  4. 4Puerto VarasLos Lagos Region
    77
  5. 5ConcónValparaiso
    75
  6. 6TocopillaAntofagasta
    74
  7. 7CopiapóAtacama
    74
  8. 8SantiagoSantiago Metropolitan
    72
  9. 9RancaguaO'Higgins Region
    71
  10. 10QuinteroValparaiso
    71
  11. 11TalaganteSantiago Metropolitan
    70
  12. 12CuranilahueBiobio
    69
  13. 13CoyhaiqueAysén
    69
  14. 14CuricóMaule Region
    69
  15. 15La SerenaCoquimbo Region
    68
  16. 16QuilpuéValparaiso
    67
  17. 16CoronelBiobio
    67
  18. 18CoquimboCoquimbo Region
    67
  19. 19RengoO'Higgins Region
    67
  20. 19AntofagastaAntofagasta
    67
  21. 21Alto HospicioTarapacá
    67
  22. 22CalamaAntofagasta
    66
  23. 23VillarricaAraucania
    66
  24. 24Viña del MarValparaiso
    66
  25. 24Puerto MonttLos Lagos Region
    66
  26. 26TalcahuanoBiobio
    65
  27. 27OsornoLos Lagos Region
    65
  28. 27La UniónLos Ríos Region
    65
  29. 27San Pedro de la PazBiobio
    65
  30. 30QuillotaValparaiso
    65
  31. 31San CarlosÑuble
    65
  32. 32ConcepciónBiobio
    64
  33. 33ChiguayanteBiobio
    64
  34. 34HualquiBiobio
    63
  35. 34ChillánÑuble
    63
  36. 36Los ÁngelesBiobio
    63
  37. 37TalcaMaule Region
    63
  38. 38ValdiviaLos Ríos Region
    61
  39. 39Puerto AysénAysén
    60
  40. 40TemucoAraucania
    60
  41. 41LinaresMaule Region
    59
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, November 2025 · Chile now

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SmogRank, most polluted cities in Chile, PM2.5, November 2025, smogrank.com/cl/history/2025-11 (accessed 2 Oct 2026).

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