2017-2024
World's most polluted cities
The most polluted cities according to data aggregated from over 80,000 data points.
2024
World Air Quality Report
2024
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
25-35Exceeds by 5 to 7 times
35.1-50Exceeds by 7 to 10 times
>50.1Exceeds by over 10 times
| Rank | City | 2024 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 |  Nea Raidestos, Greece | 2.7 | 3.1 | 2.8 | 2.2 | 2.7 | 2.5 | 3.1 | 3.3 | 3 | 2.5 | 2.6 | 2.6 | 2.4 | 2.2 | -- | -- | -- | -- | -- | -- |
| 2052 |  Gardabaer, Iceland | 2.6 | 3.4 | 2.5 | 2.4 | 2.9 | 2.4 | 2.8 | 2.8 | 2 | 2.7 | 2 | 3.3 | 2.9 | -- | -- | -- | -- | -- | -- | -- |
| 2053 |  Monaghan, Ireland | 2.6 | 3.5 | 3.8 | 0.9 | 3.4 | 2.7 | 2 | 1.8 | 3.7 | 2.3 | 2.2 | 1.7 | 1.7 | 5 | 6.9 | 4.9 | -- | -- | -- | -- |
| 2054 |  Ulsteinvik, Norway | 2.6 | 2 | 1.8 | 2.8 | 2.3 | 5.8 | 2.8 | 3 | 2.5 | 2.7 | 1.6 | 2.2 | 1.8 | 3.4 | 2.5 | 5.1 | -- | -- | -- | -- |
| 2055 |  Lamas de Olo, Portugal | 2.6 | 3.2 | 3.4 | 2.6 | 1.9 | 1.1 | 1.8 | 2.5 | 3.2 | 6.9 | 0.9 | 1.1 | 2.4 | 2.8 | -- | -- | -- | -- | -- | -- |
| 2056 |  La Quinta, Spain | 2.5 | 3.9 | 3.4 | 2.6 | 2.9 | 1.6 | 1.5 | 1.3 | 2.4 | 3.1 | 1.6 | 3 | 3 | -- | -- | -- | -- | -- | -- | -- |
| 2057 |  Bredkalen, Sweden | 2.5 | 2.2 | 1.9 | 3.6 | 2.6 | 5 | 3.6 | 2.1 | -- | 1.6 | 1 | 0.9 | 1.6 | 3.1 | 4.8 | 2.8 | -- | 4.1 | 3 | 1.3 |
| 2058 |  Diekirch, Luxembourg | 2.3 | 3.8 | 2.2 | 2.2 | 1.5 | 2 | 2.4 | 1.6 | 2.3 | 3.3 | 1.6 | 2.1 | 2.4 | 2.5 | 6.9 | 9.8 | 7.8 | 9.3 | -- | -- |
| 2059 |  Dunblane, United Kingdom | 2.2 | 0.9 | 0.6 | 3.1 | 1.1 | 6.1 | 1.8 | 1.5 | 1.7 | 3.1 | 1.5 | 1.8 | 1 | 2 | -- | -- | -- | -- | -- | -- |
| 2060 |  Kittilä, Finland | 1.8 | 0.3 | 0.3 | 0.2 | 0.1 | 2.3 | 2.6 | 3.6 | 3.7 | 2.8 | 0.7 | 0.7 | 1.1 | 0.9 | 1.7 | -- | -- | -- | -- | -- |
