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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1106 |  San Felipe Chile | 18.8 | 21.1 | 22.7 | 23.8 | -- | -- | -- | -- | -- |
| 1107 |  Quanzhou China | 18.8 | 16.5 | 21.6 | 17.8 | 20.6 | 20 | 24.5 | 25.1 | 26.2 |
| 1108 |  Djibouti Djibouti | 18.8 | 16.8 | 23.3 | -- | -- | -- | -- | -- | -- |
| 1109 |  Larisa Greece | 18.8 | 12.7 | 12.7 | -- | -- | -- | -- | -- | -- |
| 1110 |  Palkalaiperur India | 18.8 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1111 |  Corsico Italy | 18.8 | 19.4 | 22.6 | -- | -- | -- | -- | -- | -- |
| 1112 |  Paracin Serbia | 18.8 | 20.2 | 19.3 | 21.8 | -- | -- | -- | -- | -- |
| 1113 |  Hongseong South Korea | 18.8 | 18.3 | 19.7 | 19.4 | 20.2 | -- | 28.6 | -- | -- |
| 1114 | Suwon South Korea | 18.8 | 17.9 | 19.5 | 18.2 | 19.5 | 21 | 25.5 | 23.6 | 25.8 |
| 1115 |  Bang Talat Thailand | 18.8 | 20.1 | 24.2 | -- | -- | -- | -- | -- | -- |
| 1116 |  Icmeler Turkey | 18.8 | 18.4 | 28.3 | -- | -- | -- | -- | -- | -- |
| 1117 |  Bozhurishte Bulgaria | 18.7 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1118 | Chamarajanagar India | 18.7 | 18.6 | -- | -- | -- | -- | -- | -- | -- |
| 1119 |  Dej Romania | 18.7 | 22 | 30.6 | 16.5 | -- | -- | -- | -- | -- |
| 1120 | Velika Plana Serbia | 18.7 | 31.9 | -- | -- | -- | -- | -- | -- | -- |
| 1121 | Gimpo South Korea | 18.7 | 19.2 | 21.6 | 20.1 | 22.4 | 20.9 | 26.6 | 24 | 28.4 |
| 1122 | Incheon South Korea | 18.7 | 19.1 | 19.7 | 18.7 | 19.9 | 17.7 | 22.8 | -- | -- |
| 1123 | Gimje South Korea | 18.7 | 16.3 | 16.3 | 26 | 23.2 | -- | 29.4 | 24.8 | 24.5 |
| 1124 | Khlong Luang Thailand | 18.7 | 19.6 | 20.2 | 20.6 | 20.6 | 21.7 | 23 | -- | -- |
| 1125 | Aranyaprathet Thailand | 18.7 | 18 | 18.3 | 18.8 | 16.9 | 16.5 | -- | -- | -- |
| 1126 | Filyos Turkey | 18.7 | 17.1 | 16.4 | 16.7 | -- | -- | -- | -- | -- |
| 1127 |  Siem Reap Cambodia | 18.6 | 24.7 | -- | -- | -- | -- | -- | -- | -- |
| 1128 |  Garcia Mexico | 18.6 | 15.3 | 20.6 | 24.6 | 19.9 | 23.9 | 24.3 | -- | -- |
| 1129 | Yangpyeong South Korea | 18.6 | 18 | 19.7 | 18.8 | 18.8 | -- | 25.4 | 23.8 | 27.6 |
| 1130 | Hwayang South Korea | 18.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1131 | San Kamphaeng Thailand | 18.6 | 21.3 | -- | -- | -- | -- | -- | -- | -- |
| 1132 | Trabzon Turkey | 18.6 | 22.2 | 21.8 | 20.8 | 24.1 | 23.7 | 22.3 | -- | -- |
| 1133 | Qujing China | 18.5 | 18.2 | 22.1 | 21.2 | 22.2 | 20.2 | 21 | 28 | 28.2 |
| 1134 |  Kisumu Kenya | 18.5 | 17.7 | 22 | -- | -- | -- | -- | -- | -- |
| 1135 | San Luis de la Paz Mexico | 18.5 | 16.1 | 14.2 | 13.9 | 11.1 | 10.9 | 11.9 | -- | -- |
| 1136 |  Lima Peru | 18.5 | 18.2 | 19.7 | 25.6 | 31.5 | 18 | 23.7 | 28 | 27.7 |
| 1137 | Sebes Romania | 18.5 | 25.7 | 18.4 | 22.8 | 10.1 | -- | -- | -- | -- |
| 1138 | Cukarica Serbia | 18.5 | 18.9 | 16 | -- | -- | -- | -- | -- | -- |
| 1139 | Siheung South Korea | 18.5 | 19.6 | 22.4 | 20.5 | 22.2 | 20 | 30.6 | 28.7 | 26.6 |
| 1140 | Samsan South Korea | 18.5 | 10.5 | 14.6 | -- | -- | -- | -- | -- | -- |
| 1141 |  Ourense Spain | 18.5 | 19.4 | 7.7 | 9.8 | 9.8 | 8.2 | 9.9 | 9.5 | 12.1 |
| 1142 | Loei Thailand | 18.5 | 26 | 32.8 | -- | -- | -- | -- | -- | -- |
| 1143 | Phra Pradaeng Thailand | 18.5 | 18.6 | 21.2 | 19.7 | 20.9 | 19.9 | 27.1 | -- | -- |
| 1144 | Mae Sot Thailand | 18.5 | 23.3 | 13.3 | -- | -- | -- | -- | -- | -- |
| 1145 |  Nukus Uzbekistan | 18.5 | 15.1 | 14.8 | -- | -- | -- | -- | -- | -- |
| 1146 | Zhuhai China | 18.4 | 18.1 | 17.7 | 16.7 | 19 | 18.3 | 24 | 26.1 | 28.8 |
| 1147 | Chifeng China | 18.4 | 18 | 21 | 15.4 | 18.5 | 19.8 | 21.7 | 28.4 | 31.3 |
| 1148 | Madikeri India | 18.4 | 18.2 | 18.7 | 21.1 | 22.1 | -- | -- | -- | -- |
| 1149 | Quattro Strade Italy | 18.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1150 | Smederevo Serbia | 18.4 | 21.8 | 14.5 | 23 | 28.2 | 28.3 | 24.5 | -- | -- |
| 1151 | Cheongyang South Korea | 18.4 | 17 | 20.5 | 19 | 19.3 | -- | 29.5 | -- | -- |
| 1152 |  Kinmen Taiwan | 18.4 | 18.3 | -- | -- | -- | -- | -- | -- | -- |
| 1153 |  Harare Zimbabwe | 18.4 | 24.8 | 33.3 | 9.1 | 24.7 | -- | -- | -- | -- |
| 1154 |  Lukavica Bosnia Herzegovina | 18.3 | 25.2 | 26.5 | 34.6 | 34.1 | -- | -- | -- | -- |
| 1155 |  Itagui Colombia | 18.3 | 25.7 | 18.2 | -- | -- | -- | -- | -- | -- |
