2017-2025
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2025
World Air Quality Report
2025
World Air Quality Report
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 505 |  Yancheng China | 28.8 | 29.5 | 28.8 | 26.4 | 28.9 | 32.5 | 40.5 | 43.2 | 43.8 |
| 506 |  Riyadh Saudi Arabia | 28.8 | 23.7 | 26.1 | 46.2 | 32.5 | 23.3 | 22.1 | -- | -- |
| 507 |  Vranje Serbia | 28.8 | 28.1 | 30.8 | 32.5 | -- | -- | -- | -- | -- |
| 508 |  Angol Chile | 28.7 | 30.6 | 25.7 | 20.9 | 47.7 | -- | -- | -- | -- |
| 509 | Xinyu China | 28.7 | 27.5 | 29.6 | 27.2 | 30.8 | 29.9 | 35.1 | 37.7 | 47.6 |
| 510 | Haidong China | 28.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 511 |  Kanchipuram India | 28.7 | 24.8 | 24.9 | 22.3 | 23.1 | -- | -- | -- | -- |
| 512 |  Comas Peru | 28.7 | 25.4 | -- | -- | -- | -- | -- | -- | -- |
| 513 | Chizhou China | 28.6 | 29.2 | 32.4 | 32.8 | 30.6 | 33.6 | 42.4 | 43.7 | 60.4 |
| 514 |  Rizal Philippines | 28.6 | 22.6 | 14.7 | 15.8 | 19.4 | -- | -- | -- | -- |
| 515 | Dazhou China | 28.5 | 28.3 | 31.6 | 30.2 | 37.4 | 37.6 | 45.3 | 44.7 | 48.6 |
| 516 | Sirohi India | 28.5 | 32.9 | 30.2 | -- | -- | -- | -- | -- | -- |
| 517 | Valjevo Serbia | 28.5 | 31 | 28 | 31.8 | 34.7 | 41.5 | 37.9 | -- | -- |
| 518 |  Sarajevo Bosnia Herzegovina | 28.4 | 30.8 | 28.6 | 32.4 | 29.7 | 42.5 | 34.1 | 38.4 | -- |
| 519 |  Yaounde Cameroon | 28.4 | 36.3 | 41.1 | -- | -- | -- | -- | -- | -- |
| 520 | Rizhao China | 28.4 | 28.9 | 32.2 | 29.2 | 32.7 | 37.5 | 46.2 | 41.6 | 46.8 |
| 521 |  Terme Turkey | 28.4 | 24 | -- | -- | -- | -- | -- | -- | -- |
| 522 | Zhangjiajie China | 28.3 | 30.2 | 28.9 | 25.8 | 24.4 | 22.6 | 28.7 | 29.6 | 38.7 |
| 523 | Bayan Nur China | 28.3 | 32.5 | 31.5 | 30.4 | 27.1 | 34.2 | 32.2 | 33.5 | 34.2 |
| 524 | Sivakasi India | 28.3 | 23.4 | -- | -- | -- | -- | -- | -- | -- |
| 525 | Guilin China | 28.2 | 26.9 | 29.2 | 26.2 | 28.6 | 28.3 | 32.9 | 36.4 | 42.2 |
| 526 | Cuddalore India | 28.2 | 28.4 | 25.6 | 30.3 | 23.7 | -- | -- | -- | -- |
| 527 | Tiruchirappalli India | 28.2 | 23.7 | 24.9 | 16.1 | 20.1 | -- | -- | -- | -- |
| 528 |  Qibray Uzbekistan | 28.2 | 22.4 | 12.4 | -- | -- | -- | -- | -- | -- |
| 529 | Banja Luka Bosnia Herzegovina | 28.1 | 29.9 | 30.1 | 37.1 | 26.4 | 25 | -- | -- | -- |
| 530 | Fuxin China | 28.1 | 27.4 | 32 | 27.6 | 32.5 | 35.1 | 36.3 | 36.2 | 39.7 |
| 531 | Lvliang China | 28.1 | 32.3 | 30 | 26.8 | 32.6 | 36 | 40.1 | 50.7 | 55.2 |
| 532 |  Tehran Iran | 28.1 | 24.9 | 39.9 | 36.1 | 31.7 | 29 | 25.9 | 26.1 | 34 |
| 533 | Hezhou China | 28 | 25.2 | 27.1 | 25.7 | 26.4 | 27.6 | 30.7 | 36.9 | 42.1 |
| 534 | Nanchang China | 28 | 30.4 | 31.9 | 29.4 | 30.7 | 32.5 | 34.9 | 28.4 | 40.9 |
| 535 |  Deli Tua Indonesia | 28 | 26.2 | 18.2 | -- | -- | -- | -- | -- | -- |
| 536 | Bogor Indonesia | 28 | 31.2 | 19.5 | 15.9 | 16.1 | 29.6 | -- | -- | -- |
| 537 | Pitrufquen Chile | 27.9 | 36.6 | 27.6 | -- | -- | -- | -- | -- | -- |
| 538 | Shangluo China | 27.9 | 27.3 | 27.3 | 27.1 | 24.9 | 28.2 | 32.3 | 36.3 | 35.5 |
| 539 |  Maptaphut Thailand | 27.9 | 21.5 | -- | -- | -- | -- | -- | -- | -- |
| 540 | Jiamusi China | 27.8 | 27.4 | 25 | 24.5 | 27.2 | 27.1 | 27.1 | 28.4 | 36.6 |
| 541 | Jiaxing China | 27.8 | 27 | 29.4 | 26.2 | 26.5 | 27.7 | 35 | 38.1 | 41.5 |
| 542 | Rishikesh India | 27.8 | 32.1 | -- | -- | -- | -- | -- | -- | -- |
| 543 | Wiang Phang Kham Thailand | 27.8 | 33.9 | 43.9 | 23.1 | -- | -- | -- | -- | -- |
| 544 | Pingliang China | 27.7 | 28.8 | 30.4 | 29.2 | 19.6 | 21.8 | 24.8 | 36.9 | 31.8 |
| 545 | Bazhong China | 27.7 | 28 | 28.9 | 26.9 | 27.3 | 26.8 | 30.3 | 30.8 | 32 |
| 546 |  Kelar Iraq | 27.7 | 21.9 | -- | -- | -- | -- | -- | -- | -- |
| 547 | Mae Sai Thailand | 27.7 | 35.9 | 35.7 | 20.5 | 27.3 | -- | -- | -- | -- |
| 548 | Yasothon Thailand | 27.7 | 26.4 | 21.2 | -- | -- | -- | -- | -- | -- |
| 549 |  Gunjur Gambia | 27.6 | 33.2 | 37.2 | -- | -- | -- | -- | -- | -- |
| 550 | Satna India | 27.6 | 18.1 | 26.7 | 25.3 | 20 | 17.2 | 15.5 | -- | -- |
| 551 | Keonjhar India | 27.6 | 43.1 | -- | -- | -- | -- | -- | -- | -- |
| 552 | Malham Saudi Arabia | 27.6 | 21.6 | 25.7 | -- | -- | -- | -- | -- | -- |
| 553 | Kalasin Thailand | 27.6 | 30.7 | 32.7 | 30.3 | 38.9 | -- | -- | -- | -- |
| 554 | Phaya Kaeo Thailand | 27.6 | 39.2 | 35.1 | 18.2 | -- | -- | -- | -- | -- |
