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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 906 |  Mae Mo Thailand | 20.9 | 25.7 | 28.4 | 19.7 | 26.3 | 25.6 | 30.2 | -- | -- |
| 907 | Ayutthaya Thailand | 20.9 | 22.1 | 25.8 | 20.6 | -- | -- | -- | -- | -- |
| 908 |  Agios Georgios Greece | 20.8 | 43.3 | -- | -- | -- | -- | -- | -- | -- |
| 909 |  Ramla Israel | 20.8 | 21.6 | 21.6 | 22.4 | 20.8 | -- | -- | -- | -- |
| 910 |  Kalisz Poland | 20.8 | 17.8 | 19.6 | 21.8 | 23.9 | 18.8 | 19.4 | 23.3 | 26.1 |
| 911 | Ursynow Poland | 20.8 | 31.8 | -- | -- | -- | -- | -- | -- | -- |
| 912 | Si Wichian Thailand | 20.8 | 32.3 | 26.4 | -- | -- | -- | -- | -- | -- |
| 913 | San Pa Tong Thailand | 20.8 | 16.7 | 94.8 | -- | -- | -- | -- | -- | -- |
| 914 | Chiang Rai Thailand | 20.8 | 29.3 | 50.8 | 21.8 | 27.1 | 36.3 | 37 | -- | -- |
| 915 |  Chorvoq Uzbekistan | 20.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 916 | Serres Greece | 20.7 | 24.7 | -- | -- | -- | -- | -- | -- | -- |
| 917 |  Negapatam India | 20.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 918 | Bnei Atarot Israel | 20.7 | 20.3 | 24 | -- | -- | -- | -- | -- | -- |
| 919 |  Kilinochchi Sri Lanka | 20.7 | 23.4 | 19.3 | -- | -- | -- | -- | -- | -- |
| 920 |  Corlu Turkey | 20.7 | 20.5 | 22.7 | 28.1 | -- | -- | -- | -- | -- |
| 921 |  Ndola Zambia | 20.7 | 25.1 | 32.3 | -- | -- | -- | -- | -- | -- |
| 922 |  Vogosca Bosnia Herzegovina | 20.6 | 29.3 | 24.1 | -- | -- | -- | -- | -- | -- |
| 923 |  Dongguan China | 20.6 | 20 | 20.4 | 20 | 22.6 | 23.7 | 31.5 | 34.9 | 35.9 |
| 924 | Yingtan China | 20.6 | 22.2 | 25 | 23.5 | 24.8 | 31.5 | 35.9 | 34 | 39.6 |
| 925 | Wenshan China | 20.6 | 24.1 | 26 | 22.4 | 24 | 23.8 | 26.2 | 25.6 | 22.7 |
| 926 | Ramanathapuram India | 20.6 | 20.3 | 18 | 18.8 | 17.1 | -- | -- | -- | -- |
| 927 |  Jambi Indonesia | 20.6 | 21.3 | 19.4 | 8.3 | 21.8 | 14.3 | -- | -- | -- |
| 928 | Lask Poland | 20.6 | 18.1 | 17.5 | 19 | 23.9 | -- | -- | -- | -- |
| 929 |  Tangjin South Korea | 20.6 | 21.1 | 17.9 | -- | -- | -- | -- | -- | -- |
| 930 | Gampaha Sri Lanka | 20.6 | 19.9 | 20.4 | 30.5 | 21.6 | 27.1 | -- | -- | -- |
| 931 | Sakarya Turkey | 20.6 | 21.9 | 23.5 | 20.3 | 22.8 | 24.4 | 23.5 | -- | -- |
| 932 | Maoming China | 20.5 | 21.6 | 20.9 | 19.2 | 21.6 | 20.7 | 25 | 25.7 | 29.7 |
| 933 |  Novi Zagreb Croatia | 20.5 | 49.4 | -- | -- | -- | -- | -- | -- | -- |
| 934 | Asan South Korea | 20.5 | 20.5 | 25.5 | 28.3 | 27.4 | 25.1 | 31 | 26 | 26.8 |
| 935 | San Sai Thailand | 20.5 | 23.6 | 33.6 | -- | -- | -- | -- | -- | -- |
| 936 | Ban Dong Thailand | 20.5 | 24.8 | 26.5 | -- | -- | -- | -- | -- | -- |
| 937 | Pai Thailand | 20.5 | 31.2 | 50.3 | 27.1 | 47.1 | 53 | 38.9 | 29.4 | -- |
| 938 | Bagcilar Turkey | 20.5 | 22.8 | 23 | -- | -- | -- | -- | -- | -- |
| 939 |  Hnevosice Czech Republic | 20.4 | 19.8 | 18.3 | -- | -- | -- | -- | -- | -- |
| 940 | Bagalkot India | 20.4 | 22.3 | 22.8 | 23.9 | 20.5 | 29.6 | -- | -- | -- |
| 941 | Otwock Poland | 20.4 | 18.5 | 14.6 | 14.6 | 19.6 | 22.4 | 18.2 | 30.2 | 29.3 |
| 942 |  Popricani Romania | 20.4 | 18 | 20.8 | 23.2 | 31 | -- | -- | -- | -- |
| 943 | Osan South Korea | 20.4 | 18.5 | 20.3 | 22.6 | 23 | 22.8 | 28.2 | 27.8 | 28.8 |
| 944 | Plaeng Yao Thailand | 20.4 | 21.9 | 22.3 | 19 | 22 | 17.6 | -- | -- | -- |
| 945 | Wiang Nuea Thailand | 20.4 | 31.7 | 39.4 | -- | -- | -- | -- | -- | -- |
| 946 | Zvornik Bosnia Herzegovina | 20.3 | 17.5 | 20.6 | 26.8 | 25.7 | -- | -- | -- | -- |
| 947 |  Talagante Chile | 20.3 | 18.8 | 22.3 | 27 | 29.4 | -- | 22.7 | -- | -- |
| 948 | Huangshan China | 20.3 | 21.4 | 22.5 | 20.8 | 21.1 | 21 | 24 | 23.4 | 25.2 |
| 949 | Karamay China | 20.3 | 20.2 | 20.8 | 26.1 | 22.9 | 25.2 | 23.4 | 25.2 | 31.3 |
| 950 |  Adukrom Ghana | 20.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 951 | Holon Israel | 20.3 | 19.9 | 22.3 | 21.4 | 23.7 | 15.9 | 22.1 | 21.4 | 19.7 |
| 952 |  Cittadella Italy | 20.3 | -- | -- | -- | -- | -- | -- | -- | -- |
| 953 | Kutno Poland | 20.3 | 18.1 | 16 | 16.7 | 20.3 | 16.2 | -- | -- | -- |
| 954 | Nakhon Chai Si Thailand | 20.3 | 19.1 | -- | -- | -- | -- | -- | -- | -- |
| 955 | Mae Pa Thailand | 20.3 | 26.5 | 31.7 | 19.1 | -- | -- | -- | -- | -- |
