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
PM2.5 legend
0-5Meets WHO guideline
5.1-10Exceeds by 1 to 2 times
10.1-15Exceeds by 2 to 3 times
15.1-25Exceeds by 3 to 5 times
25.1-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
| Rank | City | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
| 4571 |  Mansfield United Kingdom | 8.4 | 9 | -- | -- | -- | -- | -- | -- | -- |
| 4572 | Saint Osyth United Kingdom | 8.4 | 7 | 7.5 | 7 | -- | -- | -- | -- | -- |
| 4573 | Scunthorpe United Kingdom | 8.4 | 7.6 | 6 | 9.7 | 9.9 | -- | -- | -- | -- |
| 4574 |  Harvest USA | 8.4 | 6.8 | 11.9 | 12.5 | 13.6 | -- | -- | -- | -- |
| 4575 | Camp Pendleton South USA | 8.4 | 7.8 | 8.6 | 8.3 | -- | -- | -- | -- | -- |
| 4576 | Coronado USA | 8.4 | 8.1 | 10.1 | 10.4 | 12.1 | -- | -- | -- | -- |
| 4577 | New Cuyama USA | 8.4 | 4.7 | 5.4 | 5.5 | -- | -- | -- | -- | -- |
| 4578 | Norwalk USA | 8.4 | 9.7 | 12 | 13.2 | 15.5 | -- | -- | -- | -- |
| 4579 | Palo Cedro USA | 8.4 | 7.4 | 8 | 6.8 | 18.5 | -- | 7.9 | -- | -- |
| 4580 | Sanger USA | 8.4 | 3.4 | 10.1 | 14.5 | 21.5 | -- | -- | -- | -- |
| 4581 | Decatur USA | 8.4 | 8.5 | 12 | 10.5 | 11.1 | 9.2 | 9.6 | 9.1 | 9.7 |
| 4582 | Manteno USA | 8.4 | 6.4 | 8.2 | -- | -- | -- | -- | -- | -- |
| 4583 | Springfield USA | 8.4 | 7 | 10.4 | 8.9 | 8.8 | 7.6 | 8.7 | 9.6 | -- |
| 4584 | Terre Haute USA | 8.4 | 8 | 11.2 | 9.1 | 9.2 | -- | 11.8 | 10.7 | -- |
| 4585 | Iowa City USA | 8.4 | 7.2 | 12.4 | 9.2 | 11 | 9.7 | 9.6 | 8.6 | 8.2 |
| 4586 | Saylorville USA | 8.4 | 7 | 10.7 | -- | -- | -- | -- | -- | -- |
| 4587 | Wichita USA | 8.4 | 7.6 | 10.7 | 9.5 | 11.2 | 7.4 | 8.3 | 6.6 | 6.9 |
| 4588 | Thibodaux USA | 8.4 | 9.3 | 10.3 | 9.1 | 9.2 | 9.5 | 10.2 | 6 | 5.9 |
| 4589 | Aberdeen USA | 8.4 | 7.9 | 11 | -- | -- | -- | -- | -- | -- |
| 4590 | Frederick USA | 8.4 | 8.3 | 10.5 | 2.1 | 10.6 | -- | -- | -- | -- |
| 4591 | Landover USA | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4592 | Owings Mills USA | 8.4 | 7.8 | 10.6 | 8.6 | 10.2 | -- | -- | -- | -- |
| 4593 | West Laurel USA | 8.4 | 7.7 | -- | -- | -- | -- | -- | -- | -- |
| 4594 | Grand Rapids USA | 8.4 | 7.8 | 12 | 10.3 | 10.8 | 9.2 | 8.6 | 8 | 8.2 |
| 4595 | Lansing USA | 8.4 | 7.7 | 11.7 | 8.4 | 9.3 | 7.9 | 7.5 | 7.3 | 7.5 |
| 4596 | Leland USA | 8.4 | 4.8 | 10.3 | 5.5 | 7.2 | -- | -- | -- | -- |
| 4597 | Braham USA | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4598 | Hopkins USA | 8.4 | 5 | 11.8 | 15.7 | -- | -- | -- | -- | -- |
| 4599 | Minneapolis USA | 8.4 | 7.6 | 13.3 | 8.8 | 11.4 | 8.4 | 8.8 | 7.8 | 7.7 |
| 4600 | Hickman USA | 8.4 | 7.7 | -- | -- | -- | -- | -- | -- | -- |
| 4601 | Humphrey USA | 8.4 | 8.3 | -- | -- | -- | -- | -- | -- | -- |
| 4602 | South Plainfield USA | 8.4 | 7.6 | 10.9 | -- | -- | -- | -- | -- | -- |
| 4603 | Glens Falls USA | 8.4 | 8 | 10.1 | -- | -- | -- | -- | -- | -- |
| 4604 | Larchmont USA | 8.4 | 12.2 | -- | -- | -- | -- | -- | -- | -- |
| 4605 | Sleepy Hollow USA | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4606 | Bostic USA | 8.4 | -- | -- | -- | -- | -- | -- | -- | -- |
| 4607 | Chardon USA | 8.4 | 7.7 | 8.3 | 5 | 11.5 | 9.4 | 11 | -- | -- |
| 4608 | Powell USA | 8.4 | 7.7 | 11 | -- | -- | -- | -- | -- | -- |
| 4609 | Springfield USA | 8.4 | 7.7 | 10.9 | 7.2 | 10.6 | 7.7 | 10.6 | 10.3 | 8.7 |
| 4610 | Antlers USA | 8.4 | 9.1 | -- | -- | -- | -- | -- | -- | -- |
| 4611 | Allentown USA | 8.4 | 8 | 11.1 | 8.3 | 10 | 8.3 | 8.4 | 9.3 | 9 |
| 4612 | Ambridge USA | 8.4 | 7.7 | -- | -- | -- | -- | -- | -- | -- |
| 4613 | Braddock USA | 8.4 | 7.8 | 12 | 11.7 | 14.2 | -- | -- | -- | -- |
| 4614 | Marcus Hook USA | 8.4 | 7.2 | 10.3 | 8.8 | 9.5 | 8.5 | 8.2 | 11 | 8.8 |
| 4615 | McDonald USA | 8.4 | 7.7 | 11.3 | 10 | 12.6 | -- | -- | -- | -- |
| 4616 | Williamsport USA | 8.4 | 8.2 | 13.4 | 12.1 | -- | -- | -- | -- | -- |
| 4617 | Barnwell USA | 8.4 | 8.1 | 10.3 | -- | -- | -- | -- | -- | -- |
| 4618 | Republic USA | 8.4 | 7 | 14.3 | 14.9 | 24.1 | -- | -- | -- | -- |
| 4619 | Terrace Heights USA | 8.4 | 6.4 | 9.5 | 10.3 | 16.2 | -- | -- | -- | -- |
| 4620 | Parkersburg USA | 8.4 | 6.4 | -- | -- | -- | -- | -- | -- | -- |
