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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 555 |  Loncoche Chile | 27.5 | 4.4 | -- | -- | -- | -- | -- | -- | -- |
| 556 |  Mudanjiang China | 27.5 | 30.3 | 27.9 | 22.9 | 28.4 | 29.6 | 31.7 | 28.6 | 34.7 |
| 557 | Jiujiang China | 27.5 | 29.4 | 30.3 | 28.6 | 31.1 | 36.6 | 43.9 | 40.2 | 46.3 |
| 558 |  Bengaluru India | 27.5 | 30 | 28.6 | 31.5 | 29 | 27.5 | 32.6 | 34.5 | 32.1 |
| 559 |  Novi Grad Bosnia Herzegovina | 27.4 | 20.5 | 29.2 | 45.5 | 46.6 | -- | -- | -- | -- |
| 560 | Qingyang China | 27.3 | 29.2 | 28.9 | 31.4 | 26.8 | 29.1 | 31 | 33.1 | 35 |
| 561 | Liuzhou China | 27.3 | 25.8 | 28.1 | 29.3 | 31.3 | 28.9 | 34.4 | 39.4 | 43.6 |
| 562 | Nanjing China | 27.3 | 28.2 | 29.4 | 27.7 | 29 | 31.1 | 40.5 | 43 | 40.5 |
| 563 | Kumul China | 27.3 | 31.9 | 29.6 | 26.7 | 28.2 | 29.3 | 29.8 | 28.5 | 31.9 |
| 564 | Hangzhou China | 27.3 | 28.6 | 31.2 | 29 | 27.4 | 29 | 37.4 | 38.1 | 43.6 |
| 565 | Quzhou China | 27.3 | 27.2 | 31.1 | 23.5 | 22.2 | 25 | 31.8 | 32.4 | 41.5 |
| 566 | Ooty India | 27.3 | 26.9 | 28.5 | 23.3 | 20.8 | -- | -- | -- | -- |
| 567 |  Ondo Nigeria | 27.3 | 37.5 | -- | -- | -- | -- | -- | -- | -- |
| 568 |  Tetovo North Macedonia | 27.3 | 29.3 | 30.9 | 26.7 | 26.6 | 24.5 | -- | -- | -- |
| 569 | Strumica North Macedonia | 27.3 | 28.9 | 31.6 | 22.2 | 18.8 | -- | -- | -- | -- |
| 570 | Wuxi China | 27.2 | 26.8 | 29.5 | 28 | 29.8 | 34 | 39.9 | 42.8 | 45.1 |
| 571 | Dongying China | 27.2 | 32.6 | 37.2 | 33.1 | 38.4 | 45.7 | 48.6 | 47.4 | 57.9 |
| 572 |  Slavonski Brod Croatia | 27.2 | 36.2 | 24.1 | 23.5 | -- | -- | -- | -- | -- |
| 573 | Karambakkudi India | 27.2 | 23.6 | -- | -- | -- | -- | -- | -- | -- |
| 574 | Chaoyang China | 27.1 | 27.9 | 30.4 | 26.4 | 31.8 | 35.6 | 36 | 38.2 | 40.6 |
| 575 | Yanan China | 27.1 | 26.5 | 27.7 | 26.8 | 28.7 | 29.5 | 31.3 | 35 | 39.2 |
| 576 | Suining China | 27.1 | 27.2 | 30.7 | 29.6 | 30 | 28.4 | 31 | 35.3 | 38.7 |
| 577 | Puducherry India | 27.1 | 22.7 | 24.1 | 23.7 | 18.5 | -- | -- | -- | -- |
| 578 | Ariyalur India | 27.1 | 20.6 | 22.5 | 14.5 | 15.1 | -- | -- | -- | -- |
| 579 |  San Juan de Lurigancho Peru | 27.1 | 27.5 | 24.7 | 41.2 | 34 | 22.4 | -- | -- | -- |
| 580 |  Bozuyuk Turkey | 27.1 | 25.7 | 25 | 19 | -- | -- | -- | -- | -- |
| 581 |  Haiphong Vietnam | 27.1 | 27.2 | 28.7 | -- | -- | -- | -- | -- | -- |
| 582 |  New Cairo Egypt | 27 | 31.4 | 37.6 | 27.7 | 29.1 | -- | 18 | -- | -- |
| 583 |  Calimaya Mexico | 27 | 25.2 | -- | -- | -- | -- | -- | -- | -- |
| 584 |  Yerevan Armenia | 26.9 | 24.4 | 26.4 | 31.4 | 33.9 | 24.9 | 25.5 | -- | -- |
| 585 | Shanghai China | 26.9 | 28.2 | 28.7 | 25.4 | 27.7 | 31.5 | 35.4 | 36 | 38.9 |
| 586 |  Muzza di Cornegliano Laudense Italy | 26.9 | 28.2 | -- | -- | -- | -- | -- | -- | -- |
| 587 | Amasya Turkey | 26.9 | 24.4 | 25.4 | 25.8 | 28.2 | 31.7 | 35.9 | 34 | -- |
| 588 | Xuancheng China | 26.8 | 27.5 | 31.4 | 32 | 30.2 | 32.7 | 41.7 | 43.2 | 49.1 |
| 589 | Beijing China | 26.8 | 30.9 | 34.1 | 29.8 | 34.4 | 37.5 | 42.1 | 50.9 | 58.8 |
| 590 | Kunjemura India | 26.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 591 |  Doi Tao Thailand | 26.8 | 24.7 | -- | -- | -- | -- | -- | -- | -- |
| 592 | Yulin China | 26.7 | 25.4 | 26.4 | 26.2 | 29.3 | 27.6 | 32.6 | 35.6 | 38 |
| 593 |  Leandra South Africa | 26.7 | 31.1 | 2.3 | -- | -- | -- | -- | -- | -- |
| 594 | Ya'an China | 26.6 | 29.3 | 32 | 29.3 | 28.3 | 26.6 | 32.3 | 40.7 | 49.2 |
| 595 |  Semarang Indonesia | 26.6 | 29 | 28.1 | 24.3 | 28.6 | 28.5 | -- | -- | -- |
| 596 | Pachacamac Peru | 26.6 | 40.3 | 31.8 | 45.8 | -- | -- | -- | -- | -- |
| 597 | Izmit Turkey | 26.6 | 22.2 | 20.9 | 19.4 | -- | -- | -- | -- | -- |
| 598 | Jajce Bosnia Herzegovina | 26.5 | 15 | 22.5 | 33.5 | 29.7 | -- | -- | -- | -- |
| 599 | Wuzhou China | 26.5 | 23.1 | 25.9 | 26.5 | 25.5 | 25.2 | 28.7 | 34.5 | 39.2 |
| 600 | Qinhuangdao China | 26.5 | 29.4 | 30.3 | 27.8 | 36 | 37.4 | 43.6 | 43.9 | 50 |
| 601 | Yulin China | 26.5 | 27.2 | 28.6 | 26.7 | 31.1 | 32.7 | 33 | 35.2 | 34.1 |
| 602 | Dindigul India | 26.5 | 26.2 | 30.1 | -- | -- | -- | -- | -- | -- |
| 603 | San Borja Peru | 26.5 | 24.7 | -- | -- | -- | -- | -- | -- | -- |
| 604 | Huaihua China | 26.4 | 26.5 | 29.9 | 27.8 | 27.4 | 27.8 | 35.4 | 33.1 | 38.1 |
