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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2863 |  Kumiyama Japan | 10.3 | 8.1 | 9.3 | 9.3 | 10.9 | 11.6 | 12.6 | 12.5 | 13.2 |
| 2864 | Nantan Japan | 10.3 | 8.6 | 9.7 | 9 | 8.9 | 9.6 | 11.1 | 11.6 | 11.8 |
| 2865 | Terada Japan | 10.3 | 9.5 | -- | -- | -- | -- | -- | -- | -- |
| 2866 | Uji Japan | 10.3 | 8.2 | 9.2 | 8.9 | 8.7 | 9 | 10.5 | 11.7 | 11.9 |
| 2867 | Sakurai Japan | 10.3 | 8.4 | 9.6 | 9.3 | 9.3 | 10.2 | 11.4 | 11.8 | 11.3 |
| 2868 | Oita Japan | 10.3 | 9.3 | 10.6 | 11.1 | 10.4 | 12 | 12.6 | 12.4 | 14.1 |
| 2869 | Asahimachi Japan | 10.3 | 8.4 | 9.6 | -- | -- | -- | -- | -- | -- |
| 2870 | Suita Japan | 10.3 | 8.9 | 10.7 | 9.9 | 9 | 9.1 | 13.3 | 13.5 | 13.2 |
| 2871 | Kanzaki Japan | 10.3 | 9.8 | 11.8 | 11.3 | 11.2 | -- | -- | -- | -- |
| 2872 | Oze Japan | 10.3 | 9.5 | -- | -- | -- | -- | -- | -- | -- |
| 2873 | Tsurugashima Japan | 10.3 | 10.1 | 11.2 | 9.9 | 9.9 | 10.2 | 11.2 | -- | -- |
| 2874 | Higashiyamato Japan | 10.3 | 8.6 | 9.5 | 8.8 | 8.2 | 9.1 | 11.1 | 11 | 12.5 |
| 2875 | Wakayama Japan | 10.3 | 9.6 | 10.7 | 10.4 | 10.1 | 10.3 | 11.3 | 12.5 | 13.3 |
| 2876 | Shunan Japan | 10.3 | 8.6 | 9.8 | 9.2 | 9.8 | 11.3 | 12.6 | 12.7 | 13.8 |
| 2877 |  Muang Khong Laos | 10.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2878 |  Riga Latvia | 10.3 | 9.2 | 8 | -- | -- | -- | -- | -- | -- |
| 2879 |  Ajijic Mexico | 10.3 | 10 | 10.6 | 13.7 | 12.8 | -- | -- | -- | -- |
| 2880 |  Kerkrade Netherlands | 10.3 | 9.4 | 5.2 | -- | -- | -- | -- | -- | -- |
| 2881 |  Gondomar Portugal | 10.3 | 10.9 | 13.5 | -- | -- | -- | -- | -- | -- |
| 2882 |  Almassora Spain | 10.3 | 11.2 | 9.8 | 6.7 | 7.1 | 5.5 | 7.4 | 8.7 | 7.4 |
| 2883 |  Ratchaburi Thailand | 10.3 | 10.7 | 14.9 | 16.4 | 21.6 | 22.8 | 29.5 | 32.2 | 22.4 |
| 2884 | Ko Pha-ngan Thailand | 10.3 | 11.1 | 14.2 | 12.3 | 13.6 | -- | -- | -- | -- |
| 2885 |  Arnavutkoey Turkey | 10.3 | 16.9 | 28.6 | 19.3 | 17.4 | -- | -- | -- | -- |
| 2886 |  Earley United Kingdom | 10.3 | 10.3 | -- | -- | -- | -- | -- | -- | -- |
| 2887 |  Maricopa USA | 10.3 | 7.6 | 4.4 | 4.4 | 5.1 | 6.6 | -- | -- | -- |
| 2888 | Hacienda Heights USA | 10.3 | 11 | 11.7 | 10.2 | 14.7 | 15.3 | 13 | -- | -- |
| 2889 | Irving USA | 10.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2890 | Lexington USA | 10.3 | 8.2 | 9.4 | 8.9 | 9 | 8.1 | 9 | 9.5 | -- |
| 2891 | Bedford USA | 10.3 | 13.7 | -- | -- | -- | -- | -- | -- | -- |
| 2892 | Laredo USA | 10.3 | 10.7 | 9.2 | 9.8 | 10.1 | -- | 10.8 | 9.7 | 9.4 |
| 2893 | Entiat USA | 10.3 | 6.2 | 2.5 | -- | -- | -- | -- | -- | -- |
| 2894 | Wenatchee USA | 10.3 | 5.9 | 8.8 | 14.4 | 7 | 12.5 | 8 | 10.8 | 11.8 |
| 2895 | Black River Falls USA | 10.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2896 |  Durres Albania | 10.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2897 |  Hainburg an der Donau Austria | 10.2 | 10.3 | 9.7 | -- | -- | -- | -- | -- | -- |
| 2898 | Viehofen Austria | 10.2 | 10.1 | 8.9 | 9.7 | -- | -- | -- | -- | -- |
| 2899 |  Beveren Belgium | 10.2 | 9.7 | 10.2 | 11.4 | 13 | 11.6 | 13.3 | 14.9 | 14.4 |
| 2900 | Veurne Belgium | 10.2 | 8.9 | 9.5 | 10.5 | 10.8 | 9.8 | 11.3 | 12.8 | 11.7 |
| 2901 | Mons Belgium | 10.2 | 8.1 | 8 | 9.3 | 10.6 | 7.9 | 12.1 | 11.3 | 11.4 |
| 2902 |  Camacari Brazil | 10.2 | 12.5 | 16.2 | 18.8 | -- | -- | -- | -- | -- |
| 2903 |  Hinton Canada | 10.2 | 9.9 | 13.9 | 7.8 | 10.1 | 6.6 | 8 | -- | -- |
| 2904 | Slave Lake Canada | 10.2 | 15.6 | -- | -- | -- | -- | -- | -- | -- |
| 2905 | Mont-Royal Canada | 10.2 | 10 | 10.5 | 9.2 | 11.7 | 10.5 | 13 | -- | -- |
| 2906 | Melville Canada | 10.2 | 10.1 | -- | -- | -- | -- | -- | -- | -- |
| 2907 |  Sveta Nedelja Croatia | 10.2 | 9 | 12.9 | 25.7 | -- | -- | -- | -- | -- |
| 2908 |  Mokrá-Horákov Czech Republic | 10.2 | 13.7 | 12.9 | 14.1 | 14.9 | -- | -- | -- | -- |
| 2909 |  Calais France | 10.2 | 9.3 | 10.1 | 9.7 | 8.7 | -- | 10.9 | 10.4 | 10.3 |
| 2910 | Vitry-sur-Seine France | 10.2 | 8.5 | 9.3 | 10.5 | 10.7 | 10.1 | 10.9 | 13.4 | 11.8 |
| 2911 | Rouen France | 10.2 | 8.2 | 9.2 | 11.5 | 11.8 | 9.6 | 12.5 | 12.6 | 10.7 |
| 2912 | Anglet France | 10.2 | 12.8 | -- | -- | -- | -- | -- | -- | -- |
