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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 956 |  Rancagua Chile | 20.2 | 22.2 | 24.2 | 25.4 | 25.4 | 23.8 | 26.9 | 22.9 | 23.3 |
| 957 |  Bojonegara Indonesia | 20.2 | 14.6 | -- | -- | -- | -- | -- | -- | -- |
| 958 |  Zemun Serbia | 20.2 | 22.1 | 23.1 | 27.7 | 26.4 | -- | -- | -- | -- |
| 959 | Zvezdara Serbia | 20.2 | 20.9 | 18.6 | 23.5 | 22.2 | -- | -- | -- | -- |
| 960 |  Tha Phon Thailand | 20.2 | 25 | 32.8 | -- | -- | -- | -- | -- | -- |
| 961 | Phichit Thailand | 20.2 | 25.8 | 25.2 | -- | -- | -- | -- | -- | -- |
| 962 | Uttaradit Thailand | 20.2 | 27.6 | 31 | 22.3 | 23.9 | 27.3 | 20.2 | -- | -- |
| 963 |  Antalya Turkey | 20.2 | 16 | 21.4 | 18.1 | 19.8 | 18.4 | -- | -- | -- |
| 964 |  Liupanshui China | 20.1 | 18.7 | 23.4 | 22.3 | 24.1 | 21.1 | 23.4 | 32.3 | 38.9 |
| 965 | Wenzhou China | 20.1 | 22.2 | 25.6 | 20.8 | 22.5 | 24.8 | 27.8 | 29.5 | 36.8 |
| 966 |  Sajószentpéter Hungary | 20.1 | 19.3 | 15.8 | 18 | 25.7 | 21.7 | -- | -- | -- |
| 967 | Siak Sri Indrapura Indonesia | 20.1 | 12.4 | 17.3 | 10.6 | -- | -- | -- | -- | -- |
| 968 |  Oskemen Kazakhstan | 20.1 | 20.9 | 18.7 | -- | -- | -- | -- | -- | -- |
| 969 |  Ilinden North Macedonia | 20.1 | 17.5 | 18.1 | 15.5 | 13.3 | -- | -- | -- | -- |
| 970 |  Skarzysko-Kamienna Poland | 20.1 | 20 | -- | -- | -- | -- | -- | -- | -- |
| 971 | Sremski Karlovci Serbia | 20.1 | 19.5 | 14.9 | -- | -- | -- | -- | -- | -- |
| 972 | Prokuplje Serbia | 20.1 | 16.1 | 18.3 | 44.6 | -- | -- | -- | -- | -- |
| 973 |  Emalahleni South Africa | 20.1 | 30.9 | 21.1 | 24.3 | -- | -- | -- | -- | -- |
| 974 |  Anseong South Korea | 20.1 | 19.9 | 22.3 | 22.3 | 20.2 | -- | 31.6 | 30.4 | 29.8 |
| 975 | Gumi South Korea | 20.1 | 17.7 | 19.3 | 16.3 | 17.7 | 18.5 | 20.3 | 25.2 | 22.9 |
| 976 | Wat Chan Thailand | 20.1 | 25.1 | 31.1 | 22 | -- | -- | -- | -- | -- |
| 977 | Song Khanong Thailand | 20.1 | 25.3 | 27.9 | -- | -- | -- | -- | -- | -- |
| 978 | Bang Nam Chuet Thailand | 20.1 | 22.2 | 28 | -- | -- | -- | -- | -- | -- |
| 979 | Heyuan China | 20 | 19.5 | 20.6 | 17.4 | 20.8 | 21.7 | 24.5 | 29.2 | 31.2 |
| 980 |  Keneba Gambia | 20 | 32 | 25.1 | -- | -- | -- | -- | -- | -- |
| 981 |  Conakry Guinea | 20 | 20.7 | 13.9 | 59 | 36.7 | -- | -- | -- | -- |
| 982 |  Rho Italy | 20 | 18.3 | 18.8 | 16.2 | -- | -- | -- | -- | -- |
| 983 |  Tlalnepantla de Baz Mexico | 20 | 16 | 24 | -- | -- | -- | -- | -- | -- |
| 984 | Bemowo Poland | 20 | 34.3 | -- | -- | -- | -- | -- | -- | -- |
| 985 |  Pout Senegal | 20 | -- | -- | -- | -- | -- | -- | -- | -- |
| 986 | Vozdovac Serbia | 20 | 20.2 | 22 | 46.1 | -- | -- | -- | -- | -- |
| 987 | Pyeongtaek South Korea | 20 | 20.7 | 24.6 | 23.2 | 22.8 | 21.7 | 29.4 | 29.5 | 33.1 |
| 988 | Fa Ham Thailand | 20 | 26.6 | 31.1 | -- | -- | -- | -- | -- | -- |
| 989 | Bang Yai Thailand | 20 | 21.6 | 22.6 | 21.1 | 23.3 | -- | -- | -- | -- |
| 990 | Guiyang China | 19.9 | 19.3 | 24.5 | 21 | 23.8 | 22.8 | 26.5 | 30.3 | 31.5 |
| 991 | Ordos China | 19.9 | 23.2 | 24.5 | 21.3 | 27.1 | 24.5 | 23.4 | 25.7 | 25.3 |
| 992 | Diosd Hungary | 19.9 | 49.2 | -- | -- | -- | -- | -- | -- | -- |
| 993 | Bangil Indonesia | 19.9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 994 | Gaggiano Italy | 19.9 | 21.1 | 20.1 | 26.8 | 27.3 | 32.7 | -- | -- | -- |
| 995 | Ovca Serbia | 19.9 | 23.1 | 21.6 | 28.8 | 18.8 | -- | -- | -- | -- |
| 996 |  Damascus Syria | 19.9 | -- | -- | -- | -- | -- | -- | -- | -- |
| 997 | Saraburi Thailand | 19.9 | 22.3 | 22.7 | 20.9 | -- | -- | -- | -- | -- |
| 998 | Esenler Turkey | 19.9 | 18.3 | -- | -- | -- | -- | -- | -- | -- |
| 999 |  Katerini Greece | 19.8 | 40.7 | -- | -- | -- | -- | -- | -- | -- |
| 1000 | Madiun Indonesia | 19.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1001 | Ciampea Indonesia | 19.8 | 25.4 | -- | -- | -- | -- | -- | -- | -- |
| 1002 | Nezahualcóyotl Mexico | 19.8 | 16.7 | 21.3 | 19.9 | 22 | 23.3 | -- | -- | -- |
| 1003 | Talat Khwan Thailand | 19.8 | 37.7 | 38.1 | -- | -- | -- | -- | -- | -- |
| 1004 | Bang Pla Thailand | 19.8 | 17.7 | 20.2 | -- | -- | -- | -- | -- | -- |
| 1005 |  Travnik Bosnia Herzegovina | 19.7 | 23 | 15.3 | -- | -- | -- | -- | -- | -- |
