Air quality in April: cleanest & most polluted destinations

Where the air is cleanest — and worst — to travel in April, 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 April weather and air-quality breakdown.

Worst air quality in April

  1. 1Hotan, ChinaHazardous355AQI
  2. 2Ürümqi, ChinaVery unhealthy207AQI
  3. 3Jeddah, Saudi ArabiaUnhealthy162AQI
  4. 4Vang Vieng, LaosUnhealthy159AQI
  5. 5Riyadh, Saudi ArabiaUnhealthy for sensitive groups150AQI
  6. 6Mecca, Saudi ArabiaUnhealthy for sensitive groups149AQI
  7. 7Jakarta, IndonesiaUnhealthy for sensitive groups149AQI
  8. 8Kashgar, ChinaUnhealthy for sensitive groups144AQI
  9. 9Nouakchott, MauritaniaUnhealthy for sensitive groups143AQI
  10. 10Kolkata, IndiaUnhealthy for sensitive groups138AQI
  11. 11Chengdu, ChinaUnhealthy for sensitive groups133AQI
  12. 12Kuwait City, KuwaitUnhealthy for sensitive groups132AQI
  13. 13Dhaka, BangladeshUnhealthy for sensitive groups132AQI
  14. 14Luang Prabang, LaosUnhealthy for sensitive groups129AQI
  15. 15Hanoi, VietnamUnhealthy for sensitive groups129AQI

Cleanest air in April

  1. 1Honiara, Solomon IslandsGood11AQI
  2. 2Nadi, FijiGood14AQI
  3. 3Christchurch, New ZealandGood17AQI
  4. 4Farellones, ChileGood17AQI
  5. 5Puerto Natales, ChileGood17AQI
  6. 6Ushuaia, ArgentinaGood17AQI
  7. 7Dunedin, New ZealandGood18AQI
  8. 8El Calafate, ArgentinaGood18AQI
  9. 9Victoria, SeychellesGood18AQI
  10. 10Wānaka, New ZealandGood18AQI
  11. 11Queenstown, New ZealandGood19AQI
  12. 12Cochabamba, BoliviaGood20AQI
  13. 13Falls Creek, AustraliaGood20AQI
  14. 14Hobart, AustraliaGood20AQI
  15. 15Perisher Valley, AustraliaGood20AQI