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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4420 |  Higashimatsushima Japan | 8.5 | 7.3 | 8.4 | 7.7 | 7.7 | 8.4 | 9.1 | -- | -- |
| 4421 | Natori Japan | 8.5 | 7.9 | 9 | 8 | 9.2 | 10.1 | 11.6 | 11.1 | 11.2 |
| 4422 | Shiogama Japan | 8.5 | 7.3 | 7.8 | 7.4 | 7.8 | 7.3 | -- | -- | -- |
| 4423 | Saikai Japan | 8.5 | 8.8 | 9 | 8.7 | 9.6 | 10.4 | 10.9 | -- | -- |
| 4424 | Niimi Japan | 8.5 | 6.6 | 8 | 7.6 | 7 | 7.2 | 8.6 | 9.3 | 9.1 |
| 4425 | Karatsu Japan | 8.5 | 8.4 | 9.8 | 9.5 | 9.1 | 10.9 | 13.9 | 12.9 | 13.4 |
| 4426 | Matsue Japan | 8.5 | 7.1 | 8.3 | 7.8 | 7.9 | 9.4 | 10.8 | 11.8 | 12.7 |
| 4427 | Shizuoka Japan | 8.5 | 7 | 7.9 | 7.3 | 7.8 | -- | 9.4 | 10.6 | 9.8 |
| 4428 | Kanuma Japan | 8.5 | 7.9 | 7.7 | 8 | 7.4 | -- | 9.1 | 9.9 | 9.6 |
| 4429 | Yaita Japan | 8.5 | 7.7 | 8.7 | 7.8 | 7.5 | 7.6 | 9.3 | 10.3 | 10 |
| 4430 | Yonezawa Japan | 8.5 | 7.6 | 8.2 | 7.4 | 8 | 7.7 | 8.2 | 8.7 | 8.3 |
| 4431 | Nirasaki Japan | 8.5 | 7.2 | 7.8 | 7.2 | 6.8 | -- | -- | -- | -- |
| 4432 |  Culemborg Netherlands | 8.5 | 8.4 | -- | -- | -- | -- | -- | -- | -- |
| 4433 | Zaandam Netherlands | 8.5 | 8 | 9.1 | 9.6 | 12 | 11.3 | 13.3 | 11.4 | 11.7 |
| 4434 |  Ilo Peru | 8.5 | 9.1 | 7.2 | 12.4 | -- | -- | -- | -- | -- |
| 4435 | Piura Peru | 8.5 | 8 | -- | -- | -- | -- | -- | -- | -- |
| 4436 |  Stupava Slovakia | 8.5 | 9.6 | 12.1 | 16.3 | 23.8 | -- | -- | -- | -- |
| 4437 |  Bilbo Spain | 8.5 | 8.3 | 9.1 | 11 | 10.1 | 9.2 | 9.7 | 9.7 | 10.2 |
| 4438 | Oural Spain | 8.5 | 6.5 | 7.7 | -- | -- | -- | -- | -- | -- |
| 4439 | Madrid Spain | 8.5 | 8.1 | 9 | 9.5 | 9.4 | 9 | 9.2 | 10 | 9.9 |
| 4440 |  Kestenholz Switzerland | 8.5 | 7.8 | -- | -- | -- | -- | -- | -- | -- |
| 4441 | Bodio Switzerland | 8.5 | 8 | 9.2 | 10.9 | 10.5 | -- | -- | -- | -- |
| 4442 | Rueti Switzerland | 8.5 | 7.5 | -- | -- | -- | -- | -- | -- | -- |
| 4443 |  Plymouth United Kingdom | 8.5 | 7.4 | 8 | 9.1 | 8 | 9.9 | 11.1 | 10.1 | 9.3 |
| 4444 | Portsmouth United Kingdom | 8.5 | 7.6 | 9 | 10.4 | 9.1 | -- | 12.4 | 12.4 | 11.2 |
| 4445 | Stoke-on-Trent United Kingdom | 8.5 | 7.2 | 7.5 | 8.6 | 8.6 | 7.7 | 9.6 | 9.5 | 8.8 |
| 4446 | Willesborough United Kingdom | 8.5 | 7.1 | 9.8 | -- | -- | -- | -- | -- | -- |
| 4447 |  Montgomery County USA | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4448 | Fairbanks North Star USA | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4449 | San Pablo USA | 8.5 | 9 | 9.7 | 10 | 8.5 | 10.5 | 7.5 | 12.8 | 10.9 |
| 4450 | Erie USA | 8.5 | 7.5 | 9 | 6.5 | 11.9 | 11.2 | 9 | -- | -- |
| 4451 | Gulf Breeze USA | 8.5 | 8.6 | 9.5 | 8.3 | 8.3 | 9.2 | 8.8 | 8.3 | 9.2 |
| 4452 | St. Marks USA | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4453 | Fayetteville USA | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4454 | Marietta USA | 8.5 | 8.7 | 10.6 | 11.5 | 13.8 | -- | -- | -- | -- |
| 4455 | Sandy Springs USA | 8.5 | 8.2 | 14 | 8.5 | -- | -- | -- | -- | -- |
| 4456 | Sugar Hill USA | 8.5 | 8.9 | 7.4 | 11.7 | -- | -- | -- | -- | -- |
| 4457 | Oak Park USA | 8.5 | 9.5 | 13.6 | -- | -- | -- | -- | -- | -- |
| 4458 | Wilmington USA | 8.5 | 6.8 | 10.4 | 8.3 | 9 | 8.2 | 9.1 | 8.8 | 8.6 |
| 4459 | Burns Harbor USA | 8.5 | 7.5 | 11.1 | 10.1 | 10.4 | -- | -- | -- | -- |
| 4460 | Winchester USA | 8.5 | 7.9 | 9.9 | -- | -- | -- | -- | -- | -- |
| 4461 | Colmar Manor USA | 8.5 | 8.6 | 11.8 | -- | -- | -- | -- | -- | -- |
| 4462 | Falmouth USA | 8.5 | 5.3 | 8.4 | 4.1 | -- | -- | -- | -- | -- |
| 4463 | Port Huron USA | 8.5 | 6.9 | 10.7 | 8.4 | 9.2 | 7.4 | 7.5 | 7.8 | 8.2 |
| 4464 | Tecumseh USA | 8.5 | 6.6 | 11.2 | 8.6 | 9.2 | 8.8 | 9.2 | 8.1 | 7.7 |
| 4465 | Lakeville USA | 8.5 | 6.6 | 10.5 | 6.4 | 9.7 | 7.9 | 8.2 | 7.4 | 6.5 |
| 4466 | Mahnomen USA | 8.5 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4467 | Red Lake USA | 8.5 | 6.3 | 8.3 | 4.7 | 6.8 | 5.9 | 6.1 | 6.3 | 6.1 |
| 4468 | Arlee USA | 8.5 | 8.6 | -- | -- | -- | -- | -- | -- | -- |
| 4469 | Riverton USA | 8.5 | 7.9 | 9.5 | -- | -- | -- | -- | -- | -- |
