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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 9121 |  Veneta USA | 3.6 | 3.5 | 6.5 | 7.2 | 8.5 | -- | 10.8 | -- | -- |
| 9122 | Kent USA | 3.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 9123 | Artondale USA | 3.6 | 3.4 | 6.3 | -- | -- | -- | -- | -- | -- |
| 9124 | Bainbridge Island USA | 3.6 | 3.3 | 5.1 | 7.7 | 5.3 | 8.1 | 6.1 | -- | -- |
| 9125 | Enumclaw USA | 3.6 | 2.8 | 4.3 | 6.1 | 7.5 | -- | -- | -- | -- |
| 9126 | Marietta-Alderwood USA | 3.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 9127 | Port Townsend USA | 3.6 | 3.3 | 4.6 | 6.4 | 4.7 | -- | 5.2 | 6.8 | 11.1 |
| 9128 | Woodinville USA | 3.6 | 3.3 | 4.9 | 9.2 | 5.2 | 7 | 5.7 | -- | -- |
| 9129 | Riverton USA | 3.6 | 5.7 | 4.7 | 3.5 | 8.8 | -- | -- | -- | -- |
| 9130 |  Merriwa Australia | 3.5 | 3.7 | 4.4 | 3 | 4.4 | -- | -- | -- | -- |
| 9131 | Trenayr Australia | 3.5 | 3 | 4.1 | -- | -- | -- | -- | -- | -- |
| 9132 | Wollongong Australia | 3.5 | 4.4 | 4.6 | 3 | 6.3 | 8 | 10.6 | 7.3 | 7 |
| 9133 | Toowoomba Australia | 3.5 | 3.6 | 3.5 | 2.4 | 4 | -- | -- | -- | -- |
| 9134 | Lilydale Australia | 3.5 | 4.1 | 1.9 | 3.8 | 4.2 | 5.2 | 4.8 | 4.8 | 5 |
| 9135 | Stawell Australia | 3.5 | 3.2 | -- | -- | -- | -- | -- | -- | -- |
| 9136 | Williamstown Australia | 3.5 | 3.7 | 3.8 | -- | -- | -- | -- | -- | -- |
| 9137 |  Sointula Canada | 3.5 | 3 | 5.7 | 6.1 | 7.9 | 8.1 | 7.6 | -- | -- |
| 9138 | Corner Brook Canada | 3.5 | 3 | 4 | 3.7 | 4.4 | -- | 6.1 | -- | -- |
| 9139 | Inuvik Canada | 3.5 | 4.5 | 8.2 | 4.9 | 4.7 | 4.7 | 4.7 | -- | -- |
| 9140 | Antigonish Canada | 3.5 | 3.5 | 5.3 | -- | -- | -- | -- | -- | -- |
| 9141 | Kingston Canada | 3.5 | 3.1 | 4.3 | 3.7 | 4.2 | 3.9 | 5.3 | -- | -- |
| 9142 | Lake Major Canada | 3.5 | 3.5 | 4.7 | -- | -- | -- | -- | -- | -- |
| 9143 |  Akureyri Iceland | 3.5 | 45.6 | 11 | 17.8 | 5.6 | -- | -- | -- | -- |
| 9144 |  New Plymouth New Zealand | 3.5 | 2.6 | 4 | -- | -- | -- | -- | -- | -- |
| 9145 |  Benicasim Spain | 3.5 | 4.2 | 5.3 | 4.9 | 4.4 | 4.9 | 7.1 | 6.6 | 5 |
| 9146 |  West Hoathly United Kingdom | 3.5 | 4.1 | 4 | -- | -- | -- | -- | -- | -- |
| 9147 | Prudhoe Bay USA | 3.5 | 2.9 | 3.7 | -- | -- | -- | -- | -- | -- |
| 9148 | Baywood Park USA | 3.5 | 3.1 | -- | -- | -- | -- | -- | -- | -- |
| 9149 | Cazadero USA | 3.5 | 3.7 | 5.4 | 4.1 | 9 | 11 | 7.1 | -- | -- |
| 9150 | Hopland USA | 3.5 | 3.9 | 5.1 | 4.5 | -- | -- | -- | -- | -- |
| 9151 | Vandenberg Village USA | 3.5 | 3.5 | 2.4 | -- | -- | -- | -- | -- | -- |
| 9152 | Fairplay USA | 3.5 | 3 | 3.2 | 1.1 | -- | -- | -- | -- | -- |
| 9153 | Mineral USA | 3.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 9154 | Telluride USA | 3.5 | 3 | 2 | 1.3 | 5.9 | -- | -- | -- | -- |
| 9155 | Makaha USA | 3.5 | 3.5 | -- | -- | -- | -- | -- | -- | -- |
| 9156 | Acushnet USA | 3.5 | 3.3 | 6.6 | 3.9 | -- | -- | -- | -- | -- |
| 9157 | Dillon USA | 3.5 | 5 | 3.2 | 8.2 | 10 | 8.6 | 4.7 | -- | -- |
| 9158 | Troy USA | 3.5 | 3.3 | 6.2 | 3.9 | 8 | -- | -- | -- | -- |
| 9159 | Government Camp USA | 3.5 | 3.4 | 6 | 5.6 | -- | -- | -- | -- | -- |
| 9160 | Coalville USA | 3.5 | 3 | 3.3 | 2.5 | 14.6 | -- | 4.1 | -- | -- |
| 9161 | Bow USA | 3.5 | 3.4 | 4.7 | 6.9 | -- | -- | -- | -- | -- |
| 9162 | Burlington USA | 3.5 | 3.2 | 4.5 | 8 | 5.2 | 9 | 6.3 | -- | -- |
| 9163 | Carson USA | 3.5 | 3.3 | 4.9 | 6.2 | 5.8 | -- | -- | -- | -- |
| 9164 | Newhalem USA | 3.5 | 2.8 | 6.2 | 1.8 | -- | -- | -- | -- | -- |
| 9165 | Snohomish County USA | 3.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 9166 | Sudden Valley USA | 3.5 | 2.2 | -- | -- | -- | -- | -- | -- | -- |
| 9167 | Vashon USA | 3.5 | 3.1 | 5.3 | 8.4 | 5.9 | 8.5 | 6.8 | -- | -- |
| 9168 | Teton USA | 3.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 9169 | Thermopolis USA | 3.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 9170 | Deniliquin Australia | 3.4 | 3.1 | 3.1 | 2.5 | 3.7 | -- | -- | -- | -- |
