🗺 SeasonMap

Air quality in October: cleanest & most polluted destinations

Where the air is cleanest — and worst — to travel in October, ranked by the monthly-mean US Air Quality Index (AQI) across 600+ destinations. Lower is better: 0–50 is good, 100+ starts to bite, 150+ is unhealthy. Tap any place for its full October weather and air-quality breakdown.

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Worst air quality in October

  1. 1Ürümqi, ChinaVery unhealthy234AQI
  2. 2Damascus, SyriaVery unhealthy219AQI
  3. 3Riyadh, Saudi ArabiaUnhealthy192AQI
  4. 4Kuwait City, KuwaitUnhealthy184AQI
  5. 5Jakarta, IndonesiaUnhealthy164AQI
  6. 6Beijing, ChinaUnhealthy155AQI
  7. 7Lahore, PakistanUnhealthy for sensitive groups147AQI
  8. 8Mumbai, IndiaUnhealthy for sensitive groups145AQI
  9. 9Delhi, IndiaUnhealthy for sensitive groups142AQI
  10. 10White Sands National Park, United StatesUnhealthy for sensitive groups138AQI
  11. 11Amritsar, IndiaUnhealthy for sensitive groups138AQI
  12. 12Agra, IndiaUnhealthy for sensitive groups136AQI
  13. 13Chengdu, ChinaUnhealthy for sensitive groups133AQI
  14. 14Varanasi, IndiaUnhealthy for sensitive groups124AQI
  15. 15Kolkata, IndiaUnhealthy for sensitive groups124AQI

Cleanest air in October

  1. 1Honiara, Solomon IslandsGood12AQI
  2. 2La Fortuna, Costa RicaGood15AQI
  3. 3Kona, United StatesGood17AQI
  4. 4Malabo, Equatorial GuineaGood18AQI
  5. 5Hawaii Volcanoes National Park, United StatesGood19AQI
  6. 6Hilo, United StatesGood19AQI
  7. 7Majuro, Marshall IslandsGood19AQI
  8. 8Nadi, FijiGood19AQI
  9. 9Pohnpei, MicronesiaGood20AQI
  10. 10Kauai, United StatesGood21AQI
  11. 11Anchorage, United StatesGood22AQI
  12. 12Falls Creek, AustraliaGood22AQI
  13. 13Chuuk, MicronesiaGood23AQI
  14. 14Maui, United StatesGood23AQI
  15. 15Mount Buller, AustraliaGood23AQI