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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4370 |  Washington USA | 8.6 | 7.3 | 7.6 | -- | -- | -- | -- | -- | -- |
| 4371 | York USA | 8.6 | 7.5 | 10.8 | 8.9 | -- | -- | -- | -- | -- |
| 4372 | Camden USA | 8.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4373 | Columbia USA | 8.6 | 8.2 | 10.1 | 7.7 | 9.5 | 7.8 | 8.1 | 8 | 9 |
| 4374 | Trenton USA | 8.6 | 8.2 | 9 | 8.1 | 8.7 | 7.1 | 8.1 | 7.5 | 8.2 |
| 4375 | Harris USA | 8.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4376 | Harrison USA | 8.6 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4377 | Odessa USA | 8.6 | 7.3 | 6.8 | 7.6 | 7.6 | 7.6 | 7.8 | 7.9 | 6.9 |
| 4378 | Spring USA | 8.6 | 9.3 | 11.7 | 11.8 | 12.3 | -- | -- | -- | -- |
| 4379 | Delavan USA | 8.6 | 6.1 | 13 | -- | -- | -- | -- | -- | -- |
| 4380 | New Berlin USA | 8.6 | 7 | 13.7 | 11.4 | 12.5 | -- | -- | -- | -- |
| 4381 |  Illmitz Austria | 8.5 | 7.6 | 8.8 | 9.6 | 10.2 | 10.2 | 11.1 | 13.9 | 12.5 |
| 4382 | Bad Vöslau Austria | 8.5 | 8.4 | 7.5 | 9 | 9.3 | -- | -- | -- | -- |
| 4383 |  Andenne Belgium | 8.5 | 6.7 | 6.4 | 7.5 | 8.7 | 6.2 | 10.3 | 11.7 | 9.7 |
| 4384 |  Sangudo Canada | 8.5 | 9.3 | -- | -- | -- | -- | -- | -- | -- |
| 4385 | Yellowknife Canada | 8.5 | 6.9 | 20.8 | 5.3 | 4.6 | 4.4 | 4.9 | -- | -- |
| 4386 | Richmond Hill Canada | 8.5 | 7.6 | 10.1 | -- | -- | -- | -- | -- | -- |
| 4387 | Lavaltrie Canada | 8.5 | 8.5 | 10.4 | -- | -- | -- | -- | -- | -- |
| 4388 | Cudworth Canada | 8.5 | 7.6 | -- | -- | -- | -- | -- | -- | -- |
| 4389 |  Bourg-en-Bresse France | 8.5 | 7.6 | 8.6 | 10.3 | 8.9 | 8.2 | 8.8 | 8.8 | -- |
| 4390 | Saint-Martin-Boulogne France | 8.5 | 8.9 | 8.4 | 7.4 | 10.5 | -- | -- | -- | -- |
| 4391 | Cherbourg-Octeville France | 8.5 | 7.2 | 7.6 | 8 | -- | -- | -- | -- | -- |
| 4392 | Nantes France | 8.5 | 7.4 | 8.8 | 8.9 | 9.9 | 9.2 | 10 | 10.1 | 11.4 |
| 4393 | Saint-Nazaire France | 8.5 | 7.4 | 8.1 | 8.7 | 9.1 | 8.7 | 8.6 | 9.2 | 9.6 |
| 4394 | Aix-en-Provence France | 8.5 | 7.6 | 8.8 | 10.7 | 9.2 | 8.7 | 10.1 | 11.8 | 12.8 |
| 4395 |  Sindelfingen Germany | 8.5 | 6.7 | -- | -- | -- | -- | -- | -- | -- |
| 4396 | Singen Germany | 8.5 | 8.7 | -- | -- | -- | -- | -- | -- | -- |
| 4397 | Bensheim Germany | 8.5 | 7.5 | 7.1 | 8.3 | 8.6 | -- | -- | -- | -- |
| 4398 | Riedstadt Germany | 8.5 | 8.2 | 8.5 | 9.3 | 9.5 | -- | -- | -- | -- |
| 4399 | Northeim Germany | 8.5 | 7.9 | 9.6 | 13 | 15.2 | 13 | 14.2 | -- | -- |
| 4400 | Buende Germany | 8.5 | 8.1 | 6.1 | -- | -- | -- | -- | -- | -- |
| 4401 | Bingen am Rhein Germany | 8.5 | 8.1 | -- | -- | -- | -- | -- | -- | -- |
| 4402 | Kehrig Germany | 8.5 | 7 | -- | -- | -- | -- | -- | -- | -- |
| 4403 | Wittenborn Germany | 8.5 | 8.5 | 9.2 | 19 | -- | -- | -- | -- | -- |
| 4404 |  Vyronas Greece | 8.5 | 8.1 | 9.6 | -- | -- | -- | -- | -- | -- |
| 4405 |  Krajan Satu Indonesia | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4406 | Tarakan Indonesia | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4407 |  Florence Italy | 8.5 | 10.6 | 13.1 | -- | -- | -- | -- | -- | -- |
| 4408 |  Yurihonjo Japan | 8.5 | 6.7 | 8.1 | 7.4 | 7 | 7.4 | 9.1 | 9.2 | 8.4 |
| 4409 | Nado Japan | 8.5 | 7.7 | -- | -- | -- | -- | -- | -- | -- |
| 4410 | Sosa Japan | 8.5 | 7.7 | 8.2 | 8.3 | 13.5 | 11.8 | 11.8 | 12.1 | 12 |
| 4411 | Kumakogen Japan | 8.5 | 6.3 | 7.8 | 8.2 | 7.3 | 8.1 | 8.2 | 8.4 | 8.3 |
| 4412 | Kamiokimachi Japan | 8.5 | 7.9 | 7 | -- | -- | -- | -- | -- | -- |
| 4413 | Nishiwaki Japan | 8.5 | 6.3 | 7.6 | 7.9 | 8 | 9.5 | 11 | 11.5 | 11.3 |
| 4414 | Midoridai Japan | 8.5 | 5.9 | -- | -- | -- | -- | -- | -- | -- |
| 4415 | Mukaiawagasaki Japan | 8.5 | 5.9 | -- | -- | -- | -- | -- | -- | -- |
| 4416 | Morioka Japan | 8.5 | 8.2 | 9.4 | 8.3 | 8 | 8 | 9.9 | 10.3 | 12.8 |
| 4417 | Tonosho Japan | 8.5 | 6.9 | 7.8 | 7.9 | -- | -- | -- | -- | -- |
| 4418 | Kami Japan | 8.5 | 6.9 | 7.9 | 8.1 | 7.6 | 9.1 | 9.3 | -- | -- |
| 4419 | Shima Japan | 8.5 | 6.6 | 6.9 | 6.7 | 6.4 | 6.7 | 8.4 | 9.5 | 15.2 |
