Air quality in December: cleanest & most polluted destinations
Where the air is cleanest — and worst — to travel in December, 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 December weather and air-quality breakdown.
Worst air quality in December
- 1Riyadh, Saudi ArabiaHazardous691AQI
- 2Nouakchott, MauritaniaVery unhealthy278AQI
- 3Ouagadougou, Burkina FasoVery unhealthy242AQI
- 4Salalah, OmanVery unhealthy240AQI
- 5Beijing, ChinaUnhealthy183AQI
- 6Lahore, PakistanUnhealthy181AQI
- 7Amritsar, IndiaUnhealthy178AQI
- 8Chengdu, ChinaUnhealthy174AQI
- 9Agra, IndiaUnhealthy173AQI
- 10Delhi, IndiaUnhealthy171AQI
- 11Kuwait City, KuwaitUnhealthy167AQI
- 12Kolkata, IndiaUnhealthy166AQI
- 13Chongqing, ChinaUnhealthy166AQI
- 14Varanasi, IndiaUnhealthy165AQI
- 15Abuja, NigeriaUnhealthy160AQI
Cleanest air in December
- 1Honiara, Solomon IslandsGood14AQI
- 2Ushuaia, ArgentinaGood14AQI
- 3Farellones, ChileGood15AQI
- 4Nadi, FijiGood15AQI
- 5Puerto Natales, ChileGood15AQI
- 6El Calafate, ArgentinaGood16AQI
- 7Queenstown, New ZealandGood18AQI
- 8Wānaka, New ZealandGood19AQI
- 9Cochabamba, BoliviaGood20AQI
- 10La Fortuna, Costa RicaGood20AQI
- 11San Carlos de Bariloche, ArgentinaGood20AQI
- 12Bohol, PhilippinesGood21AQI
- 13Hobart, AustraliaGood21AQI
- 14Rotorua, New ZealandGood21AQI
- 15Suva, FijiGood21AQI