| Rank | Country | PM2.5 |
| 1. | Bangladesh | 77.1 |
| 2. | Pakistan | 59 |
| 3. | India | 51.9 |
| 4. | Mongolia | 46.6 |
| 5. | Afghanistan | 46.5 |
| 6. | Oman | 44.4 |
| 7. | Qatar | 44.3 |
| 8. | Kyrgyzstan | 43.5 |
| 9. | Indonesia | 40.7 |
| 10. | Bosnia Herzegovina | 40.6 |
| 11. | Bahrain | 39.7 |
| 12. | Nepal | 39.2 |
| 13. | Mali | 37.9 |
| 14. | China | 34.7 |
| 15. | Kuwait | 34 |
| 16. | Tajikistan | 30.9 |
| 17. | North Macedonia | 30.6 |
| 18. | Uzbekistan | 29.9 |
| 19. | Myanmar | 29.4 |
| 20. | United Arab Emirates | 29.2 |
