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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2663 |  Uozu Japan | 10.7 | 9.1 | 9.6 | 8.8 | 8.7 | 9.5 | 10.1 | 10 | 9.5 |
| 2664 |  Klaipėda Lithuania | 10.7 | 9.5 | 7.8 | 8.2 | 8.5 | 8.8 | 15.5 | 20.4 | 17.2 |
| 2665 |  eSikhaleni South Africa | 10.7 | 8.4 | 6.9 | -- | -- | -- | -- | -- | -- |
| 2666 |  Zumarraga Spain | 10.7 | 9.5 | 9.5 | -- | -- | -- | -- | -- | -- |
| 2667 |  Narathiwat Thailand | 10.7 | 14.3 | 16 | 14.5 | 13.7 | 14.3 | 17.5 | 15.2 | 8.6 |
| 2668 | Thap Sakae Thailand | 10.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2669 | Hat Yai Thailand | 10.7 | 14.3 | 16.5 | 16.2 | 16.9 | 17.3 | -- | -- | -- |
| 2670 |  Isleworth United Kingdom | 10.7 | 8.9 | 7.3 | -- | -- | -- | -- | -- | -- |
| 2671 | Northampton United Kingdom | 10.7 | 9.5 | 9.4 | 11 | 10.3 | 10.3 | 11.6 | 11.1 | 10.1 |
| 2672 |  Oceano USA | 10.7 | 9.6 | 11.3 | -- | -- | -- | -- | -- | -- |
| 2673 | Joliet USA | 10.7 | 7.9 | 12.4 | 10.5 | 12 | 9.8 | 10.3 | 9.9 | -- |
| 2674 | Englewood USA | 10.7 | 10.2 | 11.2 | -- | -- | -- | -- | -- | -- |
| 2675 | Oxford USA | 10.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2676 |  Edlitz Austria | 10.6 | 10.9 | 12.1 | 15.2 | 14 | 12.8 | 13.5 | -- | -- |
| 2677 | Sankt Pantaleon Austria | 10.6 | 10.9 | 9.8 | 10 | -- | -- | -- | -- | -- |
| 2678 | Steyregg Austria | 10.6 | 10 | 10.6 | 11.4 | 11.7 | 11.3 | 12.3 | 13.7 | 14.6 |
| 2679 |  Deurne Belgium | 10.6 | 11 | 10.7 | 12.3 | 12.7 | 11.4 | 11.4 | -- | -- |
| 2680 |  Kamenný Újezd Czech Republic | 10.6 | 10.6 | 8.7 | 11.6 | 10.6 | 11.5 | 12 | 16.4 | 16.9 |
| 2681 |  Coulommiers France | 10.6 | 8.9 | 8.8 | 13.1 | 10.4 | -- | -- | -- | -- |
| 2682 |  Heilbronn Germany | 10.6 | 8.9 | 8.3 | 10.1 | 9.3 | 8.9 | 12.2 | 13.1 | 13.4 |
| 2683 | Neuburg an der Donau Germany | 10.6 | 10.4 | -- | -- | -- | -- | -- | -- | -- |
| 2684 | Bernau bei Berlin Germany | 10.6 | 10.3 | 9.7 | 11.1 | 12.5 | 10.9 | 13.2 | 16.4 | 15.9 |
| 2685 | Ohlsdorf Germany | 10.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2686 | Kassel Germany | 10.6 | 9.3 | 8.9 | 10.9 | 13.1 | -- | -- | -- | -- |
| 2687 |  Elefsina Greece | 10.6 | 14.9 | 16.2 | -- | -- | -- | -- | -- | -- |
| 2688 |  Edenderry Ireland | 10.6 | 10.1 | 9.2 | 10.8 | 13.5 | -- | -- | -- | -- |
| 2689 |  Raiano Italy | 10.6 | 9.3 | -- | -- | -- | -- | -- | -- | -- |
| 2690 | Pignataro Maggiore Italy | 10.6 | 11 | 15.6 | 17.5 | 14.4 | -- | -- | -- | -- |
| 2691 | Nishio Japan | 10.6 | 7.6 | 8.3 | 7.9 | 8.5 | 9.5 | 10.7 | 11.5 | 11.7 |
| 2692 | Amagasaki Japan | 10.6 | 8.9 | 10.7 | 9.9 | 9.9 | 10.6 | 12.4 | 12.7 | 12.8 |
| 2693 | Ikaruga Japan | 10.6 | 8.2 | -- | -- | -- | -- | -- | -- | -- |
| 2694 | Tatsuno Japan | 10.6 | 9.6 | 9.1 | 8.7 | 10.2 | -- | 10.4 | 10.9 | 10.7 |
| 2695 | Yuki Japan | 10.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2696 | Seika Japan | 10.6 | 8.9 | 10.5 | 10.6 | 11.1 | 11.6 | 13.2 | 13.9 | 13.9 |
| 2697 | Suzuka Japan | 10.6 | 9.1 | 10.5 | 9.5 | 9.9 | 10.4 | 12.6 | 13.9 | 13 |
| 2698 | Saiki Japan | 10.6 | 9.8 | 9.9 | 10.9 | 10 | 11.3 | 10.6 | -- | -- |
| 2699 | Niiza Japan | 10.6 | 10 | 10.9 | 9.3 | 9.8 | 10.7 | 12 | -- | -- |
| 2700 | Wako Japan | 10.6 | 9.6 | 10.5 | 9.8 | 9.8 | 10.5 | 11.8 | 12.7 | -- |
| 2701 | Oyama Japan | 10.6 | 9.6 | 10 | 10.1 | 10.1 | 12.2 | 12.9 | 13.2 | 13.7 |
| 2702 |  Iz-Zejtun Malta | 10.6 | 12.4 | 13.8 | 11.7 | 17.9 | -- | -- | -- | -- |
| 2703 |  Muiden Netherlands | 10.6 | 10 | 10.9 | 16.4 | -- | -- | -- | -- | -- |
| 2704 | Sas van Gent Netherlands | 10.6 | 9 | 11.3 | -- | -- | -- | -- | -- | -- |
| 2705 |  Richmond New Zealand | 10.6 | 10.5 | 9.7 | 10 | 11.1 | -- | -- | -- | -- |
| 2706 |  Trujillo Peru | 10.6 | 8.1 | 12.6 | 16.2 | 16.9 | 16.4 | 18.1 | -- | -- |
| 2707 |  Rudna Wielka Poland | 10.6 | 12.6 | 11.9 | -- | -- | -- | -- | -- | -- |
| 2708 |  Nazare Portugal | 10.6 | 11.1 | 11.5 | 10.5 | -- | -- | -- | -- | -- |
| 2709 |  Handlova Slovakia | 10.6 | 11.8 | 10.8 | 11 | 17.9 | 16.2 | 13.8 | 16.7 | 18 |
| 2710 | La Aljorra Spain | 10.6 | 10.8 | 11.8 | 12.8 | 11.9 | 14 | -- | -- | -- |
| 2711 | Valencia Spain | 10.6 | 9.4 | 8.7 | 10.8 | 8.8 | 10.2 | 13.3 | 14.5 | 11.5 |
| 2712 | Khlang Thailand | 10.6 | 13.2 | 14.5 | 14.9 | -- | -- | -- | -- | -- |
