World's cleanest airports. 1. 🇯🇵 Tokyo Haneda 2. 🇰🇷 Seoul Incheon 3. 🇸🇬 Singapore Changi 4. 🇶🇦 Doha Hamad 5. 🇯🇵 Centrair Nagoya 6. 🇯🇵 Tokyo Narita 7. 🇯🇵 Kansai 8. 🇭🇰 Hong Kong 9. 🇹🇼 Taiwan Taoyuan 10. 🇨🇭 Zurich (SkyTrax)
Published by The Spectator Index