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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2110 |  Speyer Germany | 12.4 | 9.6 | 9.3 | 11.7 | 11.2 | 10.6 | 11.5 | 13.2 | 13.2 |
| 2111 |  Petroupolis Greece | 12.4 | 11.6 | 12.5 | -- | -- | -- | -- | -- | -- |
| 2112 | Piraeus Greece | 12.4 | 10.7 | 16.4 | 2.2 | 15.5 | 16 | 18.2 | -- | -- |
| 2113 |  Bassano del Grappa Italy | 12.4 | 11.5 | -- | -- | -- | -- | -- | -- | -- |
| 2114 | Verona Italy | 12.4 | 13.9 | 17.2 | -- | -- | -- | -- | -- | -- |
| 2115 |  Chihuahua Mexico | 12.4 | 12 | 14.2 | 12.4 | 15.5 | 13.2 | -- | -- | -- |
| 2116 |  Kadoelen Netherlands | 12.4 | 19.6 | -- | -- | -- | -- | -- | -- | -- |
| 2117 |  Olongapo Philippines | 12.4 | 14.7 | 14.9 | 13.7 | 10.3 | -- | -- | -- | -- |
| 2118 | Davao City Philippines | 12.4 | 13.8 | 14.7 | 13.9 | 11 | -- | -- | -- | -- |
| 2119 |  Marianka Slovakia | 12.4 | 13.3 | -- | -- | -- | -- | -- | -- | -- |
| 2120 |  Nova Gorica Slovenia | 12.4 | 14.1 | 14.6 | 15.9 | -- | -- | -- | -- | -- |
| 2121 |  Hadong South Korea | 12.4 | 8 | 14.4 | 17.5 | 15.6 | -- | 17.7 | 17 | 23.6 |
| 2122 | Gochang South Korea | 12.4 | 11.5 | 18.4 | 18.4 | 16.7 | -- | 19.9 | 19.9 | 27.5 |
| 2123 |  Natahoyo Spain | 12.4 | 10.4 | 12.3 | 13.7 | 10.2 | 9.5 | 9.8 | -- | -- |
| 2124 |  Si Sunthon Thailand | 12.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2125 | La-ngu Thailand | 12.4 | 12.9 | -- | -- | -- | -- | -- | -- | -- |
| 2126 | Ko Samui Thailand | 12.4 | 13 | 14.8 | 5.3 | -- | -- | -- | -- | -- |
| 2127 |  Gazipasa Turkey | 12.4 | 12.3 | 12.9 | -- | -- | -- | -- | -- | -- |
| 2128 |  Protsiv Ukraine | 12.4 | 13.4 | 13.7 | -- | -- | -- | -- | -- | -- |
| 2129 |  Azusa USA | 12.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2130 |  Deinze Belgium | 12.3 | 10.3 | 14.9 | 17.4 | 18.7 | -- | -- | -- | -- |
| 2131 |  Brno Czech Republic | 12.3 | 12.8 | 11.6 | 13.9 | 15.4 | 13.5 | 15.7 | 20.4 | 18.8 |
| 2132 | Rostěnice-Zvonovice Czech Republic | 12.3 | 12.8 | 15.5 | -- | -- | -- | -- | -- | -- |
| 2133 |  Kutaisi Georgia | 12.3 | 11.4 | 16.6 | 12.6 | 13 | 14.4 | 16.3 | -- | -- |
| 2134 | Panorama Greece | 12.3 | 9.1 | 9.6 | -- | -- | -- | -- | -- | -- |
| 2135 | Kozani Greece | 12.3 | 12.8 | 15.7 | 14.5 | 16.5 | -- | -- | -- | -- |
| 2136 |  Szazhalombatta Hungary | 12.3 | 11.5 | 11.5 | 13.4 | 14.9 | 14.9 | 12.5 | 13.3 | -- |
| 2137 | Egna Italy | 12.3 | 12.3 | 14.5 | 14.1 | 13 | 12.7 | 12.6 | -- | -- |
| 2138 | Mogliano Veneto Italy | 12.3 | 12.8 | -- | -- | -- | -- | -- | -- | -- |
| 2139 |  Nisshin Japan | 12.3 | 10.6 | 11.4 | 10.7 | 10.1 | -- | -- | -- | -- |
| 2140 | Imabari Japan | 12.3 | 10 | 12 | 11.1 | 11.3 | 13 | 14.9 | 14.7 | 14.6 |
| 2141 | Omuta Japan | 12.3 | 11.8 | 12.4 | 11.9 | 12.8 | 13.8 | 15.6 | 15.3 | 15.9 |
| 2142 | Beppu Japan | 12.3 | 8.7 | 9 | 9.1 | 8.5 | 9.2 | 10 | 10.3 | 12 |
| 2143 |  Orhei Moldova | 12.3 | 16.8 | -- | -- | -- | -- | -- | -- | -- |
| 2144 | Duivendrecht Netherlands | 12.3 | 18.2 | -- | -- | -- | -- | -- | -- | -- |
| 2145 | Zvolen-Motova Slovakia | 12.3 | 13.7 | 12.9 | 15 | 15.1 | 12.5 | 15.2 | 15.9 | 17.7 |
| 2146 | Mokpo South Korea | 12.3 | 9.2 | 11.7 | 14.1 | 13.6 | -- | 21 | 18 | 19.4 |
| 2147 | Cuart de Poblet Spain | 12.3 | 11.8 | 13.3 | -- | -- | -- | -- | -- | -- |
| 2148 |  Dübendorf Switzerland | 12.3 | 6.7 | 7.9 | 9 | 10.4 | 14 | 13.7 | 10.4 | 9.6 |
| 2149 | Maywood USA | 12.3 | 12.4 | 10.7 | 11.6 | 15.7 | 17.5 | 16.5 | -- | -- |
| 2150 |  Sao Paulo Brazil | 12.2 | 15.9 | 14.3 | 13.5 | 14.8 | 14.2 | 15.3 | 16.2 | 16 |
| 2151 |  Geri Cyprus | 12.2 | 12.2 | -- | -- | -- | -- | -- | -- | -- |
| 2152 | Agrinio Greece | 12.2 | 13.1 | 17.9 | 21 | 18.6 | -- | -- | -- | -- |
| 2153 |  Muting Indonesia | 12.2 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2154 | Borgo Italy | 12.2 | 14 | 12.6 | 13 | 15 | 14.6 | 12.4 | -- | -- |
| 2155 | Higashihiroshima Japan | 12.2 | 9.4 | 10.2 | 10.4 | 10.3 | 11.3 | 12.8 | 13 | 13.8 |
| 2156 | Kurashiki Japan | 12.2 | 9.8 | 11.6 | 10.8 | 10.7 | 12.1 | 13.9 | 14.8 | 15.2 |
| 2157 | Tepeapulco Mexico | 12.2 | 12.9 | 13.2 | 19.7 | 16.3 | -- | -- | -- | -- |
| 2158 | Binan Philippines | 12.2 | 7.1 | -- | -- | -- | -- | -- | -- | -- |
| 2159 | Pezinok Slovakia | 12.2 | 14.3 | 10.2 | 12.9 | 10.3 | -- | -- | -- | -- |
