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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1910 |  Fonadhoo Maldives | 13.4 | 11.7 | -- | -- | -- | -- | -- | -- | -- |
| 1911 |  Guanajuato Mexico | 13.4 | 12.5 | 13.4 | 12.9 | 12.3 | 12.6 | 12.8 | 9 | -- |
| 1912 |  Gdansk Poland | 13.4 | 12.7 | 11.9 | 14.9 | 16.5 | 15 | 14.2 | 10.1 | 11.7 |
| 1913 |  Strazske Slovakia | 13.4 | 15.2 | 14.1 | 16.8 | 17.5 | 15.8 | 18.7 | 19.5 | 21.6 |
| 1914 |  Densbueren Switzerland | 13.4 | 17.6 | -- | -- | -- | -- | -- | -- | -- |
| 1915 | Langenbruck Switzerland | 13.4 | 7.9 | 8.9 | 8.5 | -- | -- | -- | -- | -- |
| 1916 | Mendrisio Switzerland | 13.4 | 13.7 | 13.9 | 16.6 | 15.5 | -- | -- | -- | -- |
| 1917 |  Safranbolu Turkey | 13.4 | 13.3 | 11.5 | 17.5 | 35.2 | -- | -- | -- | -- |
| 1918 | Kutahya Turkey | 13.4 | 13.6 | 12.1 | 24 | 19.8 | 23.6 | 23.5 | -- | -- |
| 1919 |  Rosemead USA | 13.4 | 10.2 | 10.4 | 12.2 | 15 | 17.3 | 14.7 | -- | -- |
| 1920 |  Aysen Chile | 13.3 | 15.9 | -- | -- | -- | -- | -- | -- | -- |
| 1921 |  Sabaneta Colombia | 13.3 | 19.3 | 17 | -- | -- | -- | -- | -- | -- |
| 1922 |  Sivice Czech Republic | 13.3 | 14.8 | 13 | 11.5 | 17.1 | -- | 13.3 | 15.8 | 16.2 |
| 1923 | Teplice Czech Republic | 13.3 | 12.7 | 12.2 | 13.3 | 13.3 | 13.4 | 14.2 | 19.1 | 18.8 |
| 1924 |  Roubaix France | 13.3 | 11 | 11.9 | 14.6 | 13.9 | -- | 14.2 | 14.9 | 14.9 |
| 1925 |  Feres Greece | 13.3 | 19.2 | -- | -- | -- | -- | -- | -- | -- |
| 1926 |  Eldoret Kenya | 13.3 | 17.8 | 11.9 | 10.7 | -- | -- | -- | -- | -- |
| 1927 | Płock Poland | 13.3 | 12.8 | 12 | -- | -- | -- | -- | -- | -- |
| 1928 |  Taebaek South Korea | 13.3 | 9.7 | 10.5 | 11.7 | 11.9 | 13.2 | 15.8 | -- | -- |
| 1929 | Cheongsong South Korea | 13.3 | 11.3 | 11.1 | 12.9 | -- | -- | -- | -- | -- |
| 1930 | Geoje South Korea | 13.3 | 11.2 | 12 | 15.5 | 17.2 | -- | 20.5 | 21 | 22.4 |
| 1931 | Kemerburgaz Turkey | 13.3 | 13.2 | 14.9 | -- | -- | -- | -- | -- | -- |
| 1932 |  Ivano-Frankivsk Ukraine | 13.3 | 12.5 | 12.4 | 25.4 | -- | -- | -- | -- | -- |
| 1933 | South Padre Island USA | 13.3 | 21.6 | 11.6 | 10.3 | 11.1 | 12.1 | 9.5 | 9 | 8.4 |
| 1934 |  Neunkirchen Austria | 13.2 | 18.5 | -- | -- | -- | -- | -- | -- | -- |
| 1935 | Hranice Czech Republic | 13.2 | 17 | 12.5 | 21.7 | 18.4 | -- | -- | -- | -- |
| 1936 | Most Czech Republic | 13.2 | 12.7 | 11.6 | 12.9 | 14.1 | 13.8 | 15.1 | 21.7 | 18.3 |
| 1937 | Mytilene Greece | 13.2 | 15.9 | -- | -- | -- | -- | -- | -- | -- |
| 1938 |  Sukasada Indonesia | 13.2 | 15.5 | 18.5 | 13.6 | 14.5 | -- | -- | -- | -- |
| 1939 |  Rovereto Italy | 13.2 | 12.7 | 13.1 | 14.7 | 13.2 | 13 | 11.6 | -- | -- |
| 1940 | Schio Italy | 13.2 | 14 | -- | -- | -- | -- | -- | -- | -- |
| 1941 |  Hita Japan | 13.2 | 12.1 | 12.4 | 13.2 | 12.7 | 15.8 | 15 | -- | -- |
| 1942 | Abasolo Mexico | 13.2 | 13.3 | 13 | 12.7 | 13.9 | 12.1 | 13.6 | 13 | -- |
| 1943 | Nogales Mexico | 13.2 | 12.6 | 11 | -- | -- | -- | -- | -- | -- |
| 1944 | Puchov Slovakia | 13.2 | 17.1 | 13.9 | -- | -- | -- | -- | -- | -- |
| 1945 |  Plovdiv Bulgaria | 13.1 | 14.4 | 16.4 | 24.6 | 22 | -- | -- | -- | -- |
| 1946 | Concepcion Chile | 13.1 | 14.5 | 15.5 | 20.6 | 17.7 | 13 | 14.9 | 19.6 | -- |
| 1947 | Los Maitenes Chile | 13.1 | 12.7 | 14 | 11.4 | 12.2 | 11.1 | 13.2 | -- | -- |
| 1948 | Salgar Colombia | 13.1 | 16.1 | 16.6 | -- | -- | -- | -- | -- | -- |
| 1949 |  Karmei Yosef Israel | 13.1 | 13.2 | 16.6 | -- | -- | -- | -- | -- | -- |
| 1950 | Maegata Japan | 13.1 | 11.2 | -- | -- | -- | -- | -- | -- | -- |
| 1951 | Legionowo Poland | 13.1 | 16 | 15.5 | 16.3 | 18.9 | 20.6 | 18.8 | 22.5 | 21.8 |
| 1952 | Raciborz Poland | 13.1 | 21.2 | 19.3 | 22.1 | 27.4 | 24.9 | 24.5 | -- | -- |
| 1953 |  Feleacu Romania | 13.1 | 13.2 | 14.3 | 18 | -- | -- | -- | -- | -- |
| 1954 |  Burgersfort South Africa | 13.1 | 12.7 | -- | -- | -- | -- | -- | -- | -- |
| 1955 | Dongnae South Korea | 13.1 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1956 | Boeun South Korea | 13.1 | 8 | 13.8 | -- | -- | -- | -- | -- | -- |
| 1957 | Hapcheon South Korea | 13.1 | 6.5 | 18.7 | -- | -- | -- | -- | -- | -- |
| 1958 | Simwon South Korea | 13.1 | 11.9 | 15.8 | 15.6 | 17 | -- | -- | -- | -- |
| 1959 | Gangjin South Korea | 13.1 | 10.5 | 12.9 | -- | -- | -- | -- | -- | -- |
