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2017-2023
World's most polluted cities
Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)
2023
World Air Quality Report
PM2.5 legend
0-5
Meets WHO guideline
5.1-10
Exceeds by 1 to 2 times
10.1-15
Exceeds by 2 to 3 times
15.1-25
Exceeds by 3 to 5 times
25.1-35
Exceeds by 5 to 7 times
35.1-50
Exceeds by 7 to 10 times
>50.1
Exceeds by over 10 times
Rank | City | 2023 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Lahore, Pakistan | 99.5 | 143.2 | 117.3 | 73.8 | 52.9 | 52.4 | 46.4 | 39.8 | 42.2 | 53.8 | 125.9 | 251 | 197.5 | 97.4 | 86.5 | 79.2 | 89.5 | 114.9 | 133.2 |
| 2 | Faisalabad, Pakistan | 88.2 | 92 | 106.5 | 66.5 | 44.5 | 42.9 | 43.8 | -- | 38.9 | 46 | 70.4 | 196.8 | 204.2 | 84.5 | 94.2 | 73.2 | 104.6 | 130.4 | -- |
| 3 | Peshawar, Pakistan | 76.5 | 135.9 | 78.7 | 53.3 | 34.2 | 39 | 42.9 | 35.5 | 44 | 52.8 | 83.1 | 155.8 | 166.3 | 91.8 | 89.6 | -- | 63.9 | -- | -- |
| 4 | Rawalpindi, Pakistan | 59.5 | 87.8 | 72.7 | 43.5 | 26.2 | 26.8 | 30.5 | 29.8 | 41.7 | 48.1 | 61.6 | 106.7 | 139.7 | 48.5 | 51.4 | 42.4 | 40.8 | -- | -- |
| 5 | Karachi, Pakistan | 56.4 | 98.9 | 65.1 | 53.5 | 28.2 | 27 | 30.2 | 32.1 | 30.1 | 43.2 | 38.2 | 121 | 109.7 | 50.6 | 45.9 | 43.8 | 40.2 | 33.7 | 38.5 |
| 6 | Mangla, Pakistan | 50.7 | 27.6 | 50.9 | 32.2 | 18 | 18.6 | 28.2 | 31.5 | 39.4 | 55.4 | 52.1 | 85.8 | 128.2 | -- | -- | -- | -- | -- | -- |
| 7 | Mirpur Khas, Pakistan | 44.6 | 94.6 | 63.4 | 32.1 | 24.3 | 21 | 17.1 | 17.9 | 23.1 | 29.3 | 47.4 | 125 | 129.2 | 45 | 271.3 | -- | -- | -- | -- |
| 8 | Muridke, Pakistan | 44.1 | 94 | 59 | 42.9 | 27.4 | 25 | 23.3 | 24.1 | 23.2 | 26.5 | 27.6 | 45 | 136.4 | 46.5 | 47.6 | 61.6 | 80.6 | -- | -- |
| 9 | Islamabad, Pakistan | 42.4 | 70.4 | 47.5 | 32.4 | 21.2 | 21.5 | 27.8 | 23.3 | 31.9 | 31.4 | 41.2 | 66.7 | 93.6 | 40.6 | 41.1 | 39 | 35.2 | 38.6 | 39.2 |
| 10 | Abbottabad, Pakistan | 33.8 | 38.1 | 29.5 | 23.5 | 18 | 22.6 | 30.6 | 26.9 | 40 | 37.2 | 33.8 | 46.8 | 61.5 | 35 | 38.7 | -- | -- | -- | -- |
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