World's cleanest airports, 2024:

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

source: SkyTrax