| Rank | City | PM2.5 |
| 1. | Hotan, China | 110.2 |
| 2. | Ghaziabad, India | 106.6 |
| 3. | Bulandshahr, India | 98.4 |
| 4. | Bisrakh Jalalpur, India | 96 |
| 5. | Bhiwadi, India | 95.5 |
| 6. | Noida, India | 94.3 |
| 7. | Greater Noida, India | 89.5 |
| 8. | Kanpur, India | 89.1 |
| 9. | Lucknow, India | 86.2 |
| 10. | Delhi, India | 84.1 |
| 11. | Faridabad, India | 83.3 |
| 12. | Meerut, India | 82.3 |
| 13. | Jind, India | 81.6 |
| 14. | Hisar, India | 81.1 |
| 15. | Kashgar, China | 81 |
| 16. | Manikganj, Bangladesh | 80.2 |
| 17. | Agra, India | 80.2 |
| 18. | Lahore, Pakistan | 79.2 |
| 19. | Bahawalpur, Pakistan | 78.7 |
| 20. | Muzaffarnagar, India | 78.6 |
