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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 405 |  Siping China | 32.7 | 31.1 | 31.1 | 26.7 | 27.6 | 32.5 | 35.7 | 38.8 | 46.7 |
| 406 | Zigong China | 32.7 | 39.9 | 43.4 | 38.8 | 44.4 | 45.1 | 47.5 | 56.8 | 69.3 |
| 407 | Ziyang China | 32.7 | 33.8 | 33.2 | 31.3 | 28.2 | 29.5 | 33.5 | 38.3 | 27.7 |
| 408 |  Milupara India | 32.7 | 30.5 | -- | -- | -- | -- | -- | -- | -- |
| 409 | Kolhapur India | 32.7 | 43.4 | 29.7 | -- | -- | -- | -- | -- | -- |
| 410 | Pratapgarh India | 32.7 | 33.7 | 35.8 | -- | -- | -- | -- | -- | -- |
| 411 | Shenyang China | 32.6 | 33.3 | 34.1 | 31.4 | 37 | 40.8 | 41.6 | 39.3 | 48 |
| 412 | Kohima India | 32.6 | 40.6 | 33.9 | 26 | 17.7 | -- | -- | -- | -- |
| 413 |  Tlaxcalancingo Mexico | 32.6 | 45 | 29.9 | -- | -- | -- | -- | -- | -- |
| 414 | Huangshi China | 32.5 | 32.6 | 36.9 | 32.1 | 33 | 35 | 40.6 | 41.7 | 55.2 |
| 415 | Yingkou China | 32.5 | 33.5 | 33.6 | 28.9 | 35 | 40.2 | 41.2 | 38.4 | 41.6 |
| 416 | Jinzhong China | 32.5 | 38.5 | 41.5 | 46.1 | 39.1 | 43 | 45.5 | 53.5 | 61 |
| 417 | Mianyang China | 32.5 | 34.1 | 37.1 | 34.5 | 35.8 | 34.2 | 37.8 | 45.3 | 48.5 |
| 418 | Akola India | 32.5 | 36.6 | 46.3 | -- | -- | -- | -- | -- | -- |
| 419 | Maanshan China | 32.4 | 33 | 35 | 33.8 | 34.6 | 35.8 | 42.3 | 43.8 | 48.4 |
| 420 |  Sweihan United Arab Emirates | 32.4 | 29.5 | 28.8 | 43.5 | 34.2 | -- | -- | -- | -- |
| 421 | Shiyan China | 32.3 | 30.5 | 28.4 | 30.1 | 28.3 | 30.5 | 36.5 | 40.2 | 42 |
| 422 | Taizhou China | 32.3 | 32.2 | 35.1 | 32.8 | 34 | 36.7 | 45 | 47.9 | 50.7 |
| 423 | Bilaspur India | 32.3 | 29.5 | -- | -- | -- | -- | -- | -- | -- |
| 424 | Chengalpattu India | 32.3 | 31.6 | -- | -- | -- | -- | -- | -- | -- |
| 425 | Firozabad India | 32.3 | 36.4 | 38.8 | 46.8 | 83.4 | -- | -- | -- | -- |
| 426 |  Balykshi Kazakhstan | 32.3 | 32.1 | 38.2 | 65.4 | 57.2 | -- | -- | -- | -- |
| 427 | Saltillo Mexico | 32.3 | 17.7 | 15.6 | 17.9 | 23.2 | -- | -- | -- | -- |
| 428 | Xianning China | 32.2 | 30.8 | 29.8 | 27 | 26.8 | 29.1 | 35.1 | 36.7 | 46.5 |
| 429 | Kollam India | 32.2 | 43.1 | 35.2 | 32.5 | 36.9 | -- | -- | -- | -- |
| 430 |  Om Noi Thailand | 32.2 | 27.5 | 29.6 | 23.6 | -- | -- | -- | -- | -- |
| 431 | Jinchang China | 32.1 | 33.6 | 28 | 25.2 | 25.4 | -- | 18 | 36.5 | 33.3 |
| 432 | Jabalpur India | 32.1 | 41.3 | 46 | 46 | 42.5 | 46.7 | -- | -- | -- |
| 433 | Anqing China | 32 | 31.3 | 34.9 | 34.2 | 32.7 | 34.9 | 45.5 | 45.4 | 56.6 |
| 434 | Anshan China | 32 | 33.2 | 33.3 | 30 | 36.2 | 40.7 | 39.2 | 34.9 | 43.8 |
| 435 | Indore India | 31.8 | 35.4 | 42.3 | 39.4 | 45.5 | 40 | -- | -- | -- |
| 436 | Vellore India | 31.8 | 28.3 | 45.8 | 29 | 26.2 | -- | -- | -- | -- |
| 437 | Thane India | 31.7 | 39.4 | 77.9 | 50.6 | 59.7 | -- | -- | -- | -- |
| 438 | Changzhou China | 31.6 | 33.2 | 35.4 | 33.1 | 36 | 38.7 | 44.7 | 50.3 | 46.8 |
| 439 | Jinan China | 31.6 | 35.2 | 38.9 | 36.2 | 42 | 49 | 54.4 | 52.9 | 63.7 |
| 440 |  Urganch Uzbekistan | 31.6 | 22.9 | 20.2 | -- | -- | -- | -- | -- | -- |
| 441 |  Prijedor Bosnia Herzegovina | 31.5 | 78.8 | 64.5 | 44.1 | 42.2 | -- | -- | -- | -- |
| 442 |  Bekasi Indonesia | 31.5 | 42.5 | 49.9 | 35.4 | 32.4 | 48.1 | 62.6 | -- | -- |
| 443 | Chennai India | 31.3 | 26 | 28 | 25.3 | 25.2 | 26.5 | 34.6 | 43.2 | 39.8 |
| 444 | Surabaya Indonesia | 31.3 | 29.8 | 27.6 | 34.4 | 34.8 | 33.4 | 40.6 | -- | -- |
| 445 | Ili China | 31.2 | 27.6 | 38.4 | 36.1 | 35.7 | 43.6 | 41.5 | 47.1 | 49.6 |
| 446 |  Pyuthan Nepal | 31.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 447 | Huzhou China | 31.1 | 30 | 34.7 | 29.2 | 25.3 | 26.2 | 32.2 | 35.1 | 41.1 |
| 448 | Korba India | 31.1 | 22.2 | 26.9 | 31 | 27.7 | -- | -- | -- | -- |
| 449 |  Konya Turkey | 31.1 | 24 | 33.2 | 34.5 | 33.8 | 30.7 | 33.2 | -- | -- |
| 450 | Surat India | 31 | 32.3 | 60.3 | 27.7 | 29 | -- | -- | -- | -- |
| 451 | Madinat Zayed United Arab Emirates | 31 | 28.6 | 34.2 | 45.4 | 35.6 | -- | -- | -- | -- |
| 452 | Songyuan China | 30.9 | 29.3 | 28.9 | 24.5 | 22.5 | 26.1 | 29.7 | 27.9 | 35.6 |
| 453 | Bugojno Bosnia Herzegovina | 30.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 454 | Gorazde Bosnia Herzegovina | 30.7 | 31.4 | 23.1 | 22.3 | 39.3 | -- | 25 | -- | -- |
