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 (concentration in μg/m3 categorized by WHO guideline)
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 | -- | -- | -- | -- |
1 - 13 of 13
1Jump to page:
