CostTrek

★ Best places to live

Cities with the cleanest air in Asia

Breathe easy — cities ranked by air quality, lowest pollution first.

The Cities with the cleanest air in Asia, ranked by Pollution across 19 cities we track in the region. Sapporo leads with 30/100, ahead of Fukuoka and Osaka.

By region🌍 Cities with the cleanest airEuropeNorth America
RankPollution
  1. 1SapporoJapan30/100
  2. 2FukuokaJapan38/100
  3. 3OsakaJapan40/100
  4. 4NagoyaJapan40/100
  5. 5SingaporeSingapore45/100
  6. 6TokyoJapan45/100
  7. 7DubaiUnited Arab Emirates55/100
  8. 8BaliIndonesia55/100
  9. 9Kuala LumpurMalaysia55/100
  10. 10SeoulSouth Korea55/100
  11. 11TbilisiGeorgia60/100
  12. 12PuneIndia62/100
  13. 13Ho Chi Minh CityVietnam65/100
  14. 14BangaloreIndia68/100
  15. 15BangkokThailand70/100
  16. 16Chiang MaiThailand70/100
  17. 17BishkekKyrgyzstan70/100
  18. 18ChennaiIndia70/100
  19. 19MumbaiIndia85/100
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? Frequently asked questions

Which cities top this ranking?

Sapporo leads at 30/100, followed by Fukuoka and Osaka. The full ranking of 19 cities is listed above.

How is this ranking calculated?

We sort all 19 cities in our index by Pollution. Figures are calibrated estimates, refreshed as we expand coverage — a practical guide, not official statistics.

Can I compare these cities in detail?

Yes. Open any city for its cost of living, rent, taxes, visas and quality of life, or use CostTrek’s side-by-side comparison to weigh two cities against each other.