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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2151 |  Atsubetsuchūo 5 Jo, Japan | 5.6 | 5.4 | 5.8 | 5.7 | 6.5 | 6 | 5.8 | 9.5 | 3.9 | 3.7 | 5.2 | 5.5 | 4.1 | -- | -- | -- | -- | -- | -- | -- |
| 2152 | Tsubata, Japan | 5.6 | 3.7 | 3.8 | 6.7 | 9.7 | 6.2 | 8.3 | 5.8 | 5.2 | 5 | 4.3 | 4.8 | 3.1 | 6.4 | 6.8 | 7 | -- | -- | -- | -- |
| 2153 | Kamaishi, Japan | 5.6 | 3.4 | 4.9 | 5.8 | 8.6 | 6.6 | 7.8 | 8.2 | 5.6 | 4.1 | 3.9 | 4.1 | 2.8 | 6.4 | 7 | 6.9 | 7.1 | 8.4 | 8.9 | 10.8 |
| 2154 | Shingu, Japan | 5.6 | 3.4 | 4.1 | 5.3 | 6.8 | 6.3 | 5.7 | 8.3 | 7.5 | 4.9 | 4.7 | 4.8 | 4.1 | 5.8 | 6 | 6.4 | 8.2 | 8.5 | 9.3 | 9.4 |
| 2155 |  Ban Klang, Thailand | 5.6 | 13.6 | 10.1 | 7.9 | 7.9 | 4.9 | 1.7 | 1.5 | 1.6 | 2.4 | 3.5 | 4.9 | 6 | 8.1 | 9.8 | -- | -- | -- | -- | -- |
| 2156 | Kushiro, Japan | 5.5 | 4.4 | 5.8 | 5.6 | 6.4 | 6.8 | 6.1 | 9.2 | 4.6 | 3.9 | 5.2 | 4.2 | 3.5 | 6.7 | 5.4 | 5.5 | -- | -- | -- | -- |
| 2157 | Sumoto, Japan | 5.5 | 4.4 | 4.7 | 6.6 | 7.7 | 5.5 | 5.3 | 6.8 | 4.5 | 5 | 4.9 | 5.7 | 3.8 | 6.7 | 7.3 | 6.8 | 7.5 | 8.7 | 9.4 | 9.3 |
| 2158 | Godo, Japan | 5.2 | 2.9 | 3 | 4.7 | 5.4 | 3.7 | 4.4 | 4.8 | 7.2 | 7.5 | 6.5 | 7 | 4.7 | 4.4 | -- | -- | -- | -- | -- | -- |
| 2159 |  Tra Vinh, Vietnam | 5.2 | 5.4 | 5.5 | 6.2 | 5.2 | 4.8 | 4.7 | 5 | 4.1 | -- | 5.2 | 5.9 | 5.4 | 5.6 | 5.5 | 6.2 | -- | -- | -- | -- |
| 2160 | Suzu, Japan | 5.1 | 2.8 | 3.6 | 6.1 | 9.3 | 5.6 | 6.9 | 5.6 | 3.9 | 3.3 | 3.3 | 4.3 | 2.8 | 5.9 | 7.2 | 6.6 | 6.8 | 7.7 | 7.9 | 7.3 |
| 2161 | Kashiwazaki, Japan | 5.1 | 2.8 | 3.6 | 6.1 | 9.5 | 5.5 | 6.9 | 5.6 | 4 | 3.4 | 3.3 | 4.3 | 2.8 | 4.2 | 7.2 | 6.8 | -- | -- | -- | -- |
| 2162 |  Erdenet, Mongolia | 4.3 | 5.5 | 6.7 | 3 | 3 | 2.7 | 3.7 | 3.3 | 4.2 | 2.1 | 3.2 | 5.2 | 6.7 | -- | -- | -- | -- | -- | -- | -- |
| 2163 |  Beyneu, Kazakhstan | 3.4 | 2 | 7.1 | 7.8 | 3.5 | 2.5 | 1.8 | 2.5 | 1.3 | 1.4 | 2 | 1.6 | 1.7 | 3.5 | 5.7 | 11.1 | -- | -- | -- | -- |
| 2164 | Zhezqazghan, Kazakhstan | 2.3 | 2.7 | 0.5 | 1.5 | 2.3 | 2.3 | 2.6 | 2.3 | 3.1 | 2 | 3 | 2.6 | 2.4 | 4.3 | 3 | 3.5 | -- | -- | -- | -- |
| 2165 | Chu, Kazakhstan | 1.5 | 1.5 | 1.5 | 1.5 | 1.6 | 1.5 | 1.4 | 1.4 | 1.4 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | -- | -- | -- | -- |
