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
PM2.5 legend
0-5Meets WHO guideline
5.1-10Exceeds by 1 to 2 times
10.1-15Exceeds by 2 to 3 times
15.1-25Exceeds by 3 to 5 times
25.1-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 3567 |  Golden Canada | 9.3 | 11 | 15.8 | 13.8 | 22.2 | 11.5 | -- | -- | -- |
| 3568 | Lumby Canada | 9.3 | 7.6 | 20.9 | 12.3 | 25.9 | -- | -- | -- | -- |
| 3569 | Savona Canada | 9.3 | 5.9 | 13.3 | 8.9 | 26.4 | 7.2 | 7.5 | -- | -- |
| 3570 | Ste Anne Canada | 9.3 | 7.4 | -- | -- | -- | -- | -- | -- | -- |
| 3571 | Cobourg Canada | 9.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 3572 | Dorchester Canada | 9.3 | 7.4 | -- | -- | -- | -- | -- | -- | -- |
| 3573 |  Pula Croatia | 9.3 | 7.9 | 8.5 | -- | -- | -- | -- | -- | -- |
| 3574 |  Jonville-en-Woëvre France | 9.3 | 8.3 | 8.2 | 8.4 | 8.9 | 9.5 | 9.6 | 11.2 | 10.5 |
| 3575 | Arrest France | 9.3 | 8.8 | 10.8 | 11.9 | 11.5 | -- | -- | -- | -- |
| 3576 |  Filderstadt Germany | 9.3 | 8.6 | 8.2 | -- | -- | -- | -- | -- | -- |
| 3577 | Arzberg Germany | 9.3 | 9.3 | 8.6 | 10.6 | 10.8 | 10.6 | 10.7 | 14.3 | 12.2 |
| 3578 | Kleinwallstadt Germany | 9.3 | 9.4 | 9.2 | 10.7 | 9.6 | 9.3 | 10 | 11.7 | 11.5 |
| 3579 | Pasing Germany | 9.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 3580 | Schwandorf Germany | 9.3 | 9.3 | 8.5 | 10.5 | 9.4 | 10.1 | 10.5 | 13.1 | 12.7 |
| 3581 | Bornheim Germany | 9.3 | 8.6 | 10.2 | 11.4 | -- | -- | -- | -- | -- |
| 3582 |  Chania Greece | 9.3 | 8.9 | 10.4 | 1.8 | 14 | -- | -- | -- | -- |
| 3583 |  Anjo Japan | 9.3 | 8 | 8.9 | 8.6 | 8.5 | 12.8 | 14.5 | -- | -- |
| 3584 | Okuda Japan | 9.3 | 7.7 | -- | -- | -- | -- | -- | -- | -- |
| 3585 | Tokoname Japan | 9.3 | 7.6 | 8.6 | 8.7 | 9.3 | 9.6 | 11.1 | 13.2 | 11 |
| 3586 | Mihama Japan | 9.3 | 8.4 | 9.3 | -- | -- | -- | -- | -- | -- |
| 3587 | Tajimi Japan | 9.3 | 7.6 | 8.4 | 8.9 | 8.5 | 9 | 10.6 | 10.9 | 10.7 |
| 3588 | Edosaki Japan | 9.3 | 8.1 | -- | -- | -- | -- | -- | -- | -- |
| 3589 | Inashiki Japan | 9.3 | 8 | 8.2 | 7.5 | 7.4 | 7.6 | -- | -- | -- |
| 3590 | Kagoshima Japan | 9.3 | 8.7 | 10.3 | 9.8 | 9.9 | 12.7 | 13.6 | 14 | 14.7 |
| 3591 | Shimanto Japan | 9.3 | 7.7 | 8.8 | 8.9 | 8.7 | 10.1 | 10.7 | 10.7 | 11.4 |
| 3592 | Maizuru Japan | 9.3 | 7 | 7.5 | 8 | 9.1 | 9.1 | 11.7 | 12 | 12.2 |
| 3593 | Omura Japan | 9.3 | 9 | 9.9 | 9.7 | 9.9 | 11.1 | 11.3 | -- | -- |
| 3594 | Sasebo Japan | 9.3 | 9.2 | 9.9 | 9.4 | 9.3 | 11 | 12.6 | 12.8 | 14.8 |
| 3595 | Joetsu Japan | 9.3 | 9.4 | 9.7 | 9.2 | 9.1 | 8.4 | 10 | -- | -- |
| 3596 | Hiji Japan | 9.3 | 8.4 | 9.3 | 8.7 | 8.2 | 9.3 | 10.2 | 11 | 12.4 |
| 3597 | Hidaka Japan | 9.3 | 8.8 | 9.9 | 8.9 | 8.8 | 9.9 | 12.4 | 12.9 | 11.6 |
| 3598 | Kukichuo Japan | 9.3 | 8.7 | -- | -- | -- | -- | -- | -- | -- |
| 3599 | Omihachiman Japan | 9.3 | 7.4 | 9 | 9.4 | 9.2 | 9.4 | 11.6 | 12.4 | 12.4 |
| 3600 | Mishima Japan | 9.3 | 8.1 | 8.8 | 8.4 | 9.2 | -- | 10.4 | 11.4 | 11.1 |
| 3601 | Naka Japan | 9.3 | 7.3 | 8 | 8.9 | 9.7 | 9.6 | 10.3 | 11.7 | 11.6 |
| 3602 | Honcho Japan | 9.3 | 8.1 | 8.7 | -- | -- | -- | -- | -- | -- |
| 3603 | Tama Japan | 9.3 | 8.1 | 8.8 | 8.6 | 8 | 8.7 | 10 | 10.9 | 12.2 |
| 3604 | Himi Japan | 9.3 | 8.1 | 8.8 | 8.6 | 9.5 | 8.7 | 8.3 | 10.2 | 10.3 |
| 3605 | Hashimoto Japan | 9.3 | 8 | 9.7 | 9.8 | 9 | 10.1 | 11.2 | 11.9 | 13.1 |
| 3606 | Kainan Japan | 9.3 | 7.9 | 8.6 | 7.7 | 8 | 8.9 | 9.6 | 10.2 | 10.5 |
| 3607 | Ube Japan | 9.3 | 8.2 | 9.6 | 9.3 | 9.2 | 9.7 | 11.4 | 11.9 | 12.8 |
| 3608 |  Ospel Netherlands | 9.3 | 10 | -- | -- | -- | -- | -- | -- | -- |
| 3609 | Eersel Netherlands | 9.3 | 9.2 | 7.7 | -- | -- | -- | -- | -- | -- |
| 3610 | Hoofddorp Netherlands | 9.3 | 8.4 | 9.2 | 10.6 | 10 | -- | -- | -- | -- |
| 3611 |  Atyra Paraguay | 9.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 3612 |  Yurimaguas Peru | 9.3 | 17.2 | -- | -- | -- | -- | -- | -- | -- |
| 3613 |  Zakopane Poland | 9.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 3614 |  Campillos Spain | 9.3 | 10.2 | -- | -- | -- | -- | -- | -- | -- |
| 3615 | Córdoba Spain | 9.3 | 11.9 | -- | -- | -- | -- | -- | -- | -- |
| 3616 | Palma Spain | 9.3 | 7.8 | 8.7 | 14.3 | 12.2 | -- | -- | -- | -- |
