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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Ruwais United Arab Emirates | 43.3 | 29.6 | 31.5 | 51.9 | 33.4 | -- | -- | -- | -- |
| 2 | Ras Al-Khaimah United Arab Emirates | 41.8 | 43.3 | 52 | 55.2 | -- | -- | -- | -- | -- |
| 3 | Habshan United Arab Emirates | 39.9 | 33.8 | 30.3 | 55.2 | 46.3 | -- | -- | -- | -- |
| 4 | Ajman United Arab Emirates | 38.9 | 49.2 | -- | -- | -- | -- | -- | -- | -- |
| 5 | Abu Dhabi United Arab Emirates | 38.6 | 32 | 38.2 | 48 | 33.8 | 23.9 | 38.4 | 48.8 | -- |
| 6 | Gayathi United Arab Emirates | 36.1 | 30.2 | 38.4 | 58.3 | 50.9 | -- | -- | -- | -- |
| 7 | Dubai United Arab Emirates | 35.8 | 33.4 | 43.6 | 43.7 | 36.9 | 32.6 | 40.9 | 55.3 | -- |
| 8 | Zakher United Arab Emirates | 35.5 | 29.6 | 31.6 | 48.5 | 36.2 | -- | -- | -- | -- |
| 9 | Al Quo'a United Arab Emirates | 33.7 | 31.9 | 35.1 | 53.9 | 42.5 | -- | -- | -- | -- |
| 10 | Sweihan United Arab Emirates | 32.4 | 29.5 | 28.8 | 43.5 | 34.2 | -- | -- | -- | -- |
| 11 | Madinat Zayed United Arab Emirates | 31 | 28.6 | 34.2 | 45.4 | 35.6 | -- | -- | -- | -- |
| 12 | Liwa United Arab Emirates | 29.3 | 34.8 | 28.6 | 47.4 | 49.9 | -- | -- | -- | -- |
| 13 | Al Ain United Arab Emirates | 29.2 | 31.2 | 31.1 | 50.5 | 41.2 | -- | -- | -- | -- |
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