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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1855 |  Basford United Kingdom | 7.3 | 6 | 14.6 | -- | -- | -- | -- | -- | -- |
| 1856 | Charlton Mackrell United Kingdom | 7.3 | 5.9 | 6.3 | 5.8 | -- | -- | -- | -- | -- |
| 1857 | Shrewsbury United Kingdom | 7.3 | 4.5 | -- | -- | -- | -- | -- | -- | -- |
| 1858 |  Thaures Austria | 7.2 | 8.2 | 6.3 | -- | -- | -- | -- | -- | -- |
| 1859 | Weissenbach am Lech Austria | 7.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1860 |  Montluçon France | 7.2 | 7.2 | -- | -- | -- | -- | -- | -- | -- |
| 1861 | Dreux France | 7.2 | 7 | 8.1 | 7.9 | 9.2 | -- | -- | -- | -- |
| 1862 | Tours France | 7.2 | 6.9 | 8.9 | 9.9 | 11.1 | 10.2 | 11.1 | -- | -- |
| 1863 |  Stechlin Germany | 7.2 | 7.6 | 6.5 | 7.6 | 8.4 | -- | -- | -- | -- |
| 1864 | Luedenscheid Germany | 7.2 | 8.1 | 8.2 | -- | -- | -- | -- | -- | -- |
| 1865 | Tannenbergsthal Germany | 7.2 | 6.6 | -- | -- | -- | -- | -- | -- | -- |
| 1866 |  Confey Ireland | 7.2 | 6.6 | 6.2 | 6.8 | -- | -- | -- | -- | -- |
| 1867 | Lucan Ireland | 7.2 | 5.8 | 5.4 | 3.3 | -- | -- | -- | -- | -- |
| 1868 | Cluain Meala Ireland | 7.2 | 6.5 | 5.4 | 7.2 | 6.2 | -- | -- | -- | -- |
| 1869 | Cobh Ireland | 7.2 | 6.7 | 6.7 | 7.5 | 7.5 | -- | -- | -- | -- |
| 1870 |  Bekkestua Norway | 7.2 | 8.4 | 7.5 | -- | -- | -- | -- | -- | -- |
| 1871 |  La Linea de la Concepcion Spain | 7.2 | 9.2 | -- | -- | -- | -- | -- | -- | -- |
| 1872 | Begur Spain | 7.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1873 | Elda Spain | 7.2 | 7.9 | 5.7 | 8 | 8.3 | 9.2 | 9.7 | 10.1 | 10.9 |
| 1874 |  Visby Sweden | 7.2 | 6.6 | 6.3 | 6.9 | 7.3 | -- | -- | -- | -- |
| 1875 |  Polianytsia Ukraine | 7.2 | 7.8 | -- | -- | -- | -- | -- | -- | -- |
| 1876 | Barnstaple United Kingdom | 7.2 | 6.2 | 8.6 | 7.4 | 7.8 | 8.6 | 8.8 | 7.1 | 8.1 |
| 1877 | Farnham Common United Kingdom | 7.2 | 8.8 | -- | -- | -- | -- | -- | -- | -- |
| 1878 | Hereford United Kingdom | 7.2 | 6.2 | 6.3 | -- | -- | -- | -- | -- | -- |
| 1879 | Kimberley United Kingdom | 7.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1880 | Peterlee United Kingdom | 7.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1881 | Sunderland United Kingdom | 7.2 | 6.5 | 5.8 | 7.4 | 6.4 | 6.6 | 10 | 8.5 | 7.4 |
| 1882 |  Hillerød Denmark | 7.1 | 6.5 | 7.6 | -- | -- | -- | -- | -- | -- |
| 1883 | Silkeborg Denmark | 7.1 | 6.9 | 6.6 | -- | -- | -- | -- | -- | -- |
| 1884 |  Paernu Estonia | 7.1 | 5.5 | -- | -- | -- | -- | -- | -- | -- |
| 1885 | Joué-lès-Tours France | 7.1 | 7.1 | 8.6 | 8.4 | 8.9 | 9.1 | 10.4 | 10.3 | 12.2 |
| 1886 | Kourou France | 7.1 | 10.5 | 7.9 | -- | -- | -- | -- | -- | -- |
| 1887 | Fontainebleau France | 7.1 | 5.7 | 6.6 | 7.5 | 6.5 | 6.4 | 7.4 | 7.7 | 7.5 |
| 1888 | Villingen-Schwenningen Germany | 7.1 | 6.3 | 6.5 | 8.5 | 8 | 7.7 | -- | -- | -- |
| 1889 | Eisenach Germany | 7.1 | 7.6 | 6.7 | 8.2 | 7.6 | -- | -- | -- | -- |
| 1890 | Suhl Germany | 7.1 | 8 | 7 | 7.3 | 7.3 | -- | -- | -- | -- |
| 1891 | Drogheda Ireland | 7.1 | 6.3 | 5.8 | 6.8 | 6.4 | -- | -- | -- | -- |
| 1892 | Ennis Ireland | 7.1 | 5.6 | 7.9 | 8.8 | 7.7 | 13.7 | -- | -- | -- |
| 1893 |  Bourglinster Luxembourg | 7.1 | 7.3 | 7.7 | 9.8 | 7.7 | 7.1 | 7.2 | -- | -- |
| 1894 |  Slochteren Netherlands | 7.1 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1895 | De Rijp Netherlands | 7.1 | 6.9 | 7.3 | 8.6 | 8.7 | 9.3 | -- | -- | -- |
| 1896 | Villena Spain | 7.1 | 7.5 | 8.5 | -- | -- | -- | -- | -- | -- |
| 1897 |  Brione sopra Minusio Switzerland | 7.1 | 7 | 9 | -- | -- | -- | -- | -- | -- |
| 1898 | Embrach Switzerland | 7.1 | 5.2 | 7.9 | 10.9 | 14.6 | -- | -- | -- | -- |
| 1899 | Crouch End United Kingdom | 7.1 | 7.2 | 7 | -- | -- | -- | -- | -- | -- |
| 1900 | Kelling United Kingdom | 7.1 | 7 | 6.9 | -- | -- | -- | -- | -- | -- |
| 1901 | Pudsey United Kingdom | 7.1 | 6.5 | 8.4 | 11 | 11.6 | -- | -- | -- | -- |
| 1902 | Wigton United Kingdom | 7.1 | 6.5 | -- | -- | -- | -- | -- | -- | -- |
| 1903 | Tarrenz Austria | 7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1904 |  Somme-Leuze Belgium | 7 | 5 | 5.2 | 6.1 | 6.7 | 5.5 | 8.4 | 9.1 | 8 |
