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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 51 |  Morar, India | 67.7 | 133.4 | 66.4 | 43.1 | 37.9 | 41.6 | 49.8 | 64.4 | 30.6 | 30.4 | 68.5 | 117.7 | 127.8 | -- | -- | -- | -- | -- | -- |
| 52 | Vayushaktinagar, India | 67.4 | 88.6 | 99.9 | 74.1 | 89.5 | 67.8 | 52.6 | 55.5 | 57 | 34.1 | 81.8 | 70.1 | 36.5 | 95.9 | -- | -- | -- | -- | -- |
| 53 | Hisar, India | 67.3 | 75.6 | 55.9 | 62 | 58.3 | 72.3 | 42.4 | 36.6 | 47.6 | 27.2 | 31 | 176.8 | 90.8 | 72.3 | 89 | 81.1 | 81 | -- | -- |
| 54 | Fatehgarh Sahib, India | 66.6 | 91.5 | 61.5 | 78.9 | 66.3 | 55.8 | 39.8 | 40.7 | 51.4 | 43.5 | 60.8 | 114 | 97.4 | 68.1 | 58.4 | 64.8 | 44.4 | -- | -- |
| 55 | Bhiwani, India | 66.1 | 77.8 | 56.4 | 62.1 | 55 | 62.3 | 61.2 | 27.3 | 26.8 | 23.7 | 76.1 | 156.4 | 103.2 | 73.5 | 53.8 | 39 | 61.6 | -- | -- |
| 56 | Fatehabad, India | 65.1 | 67.8 | 70.1 | 51.3 | 41.2 | 30.6 | 23.1 | 30 | 38 | 35.6 | 56.8 | 210.2 | 89.3 | 65.7 | 63.3 | 78.5 | -- | -- | -- |
| 57 | Bharatpur, India | 65.1 | -- | 95.8 | 61.4 | 49.5 | 37.5 | 33.2 | 28.1 | 36.1 | 32 | 73.6 | 152.2 | 129.5 | -- | -- | -- | -- | -- | -- |
| 58 | Gaya, India | 64.9 | 180.6 | 93 | 58.5 | 38.8 | 36.2 | 31.9 | 22.7 | 33 | 29.2 | 48.7 | 113.5 | 93.1 | 74.3 | 46.6 | 46.3 | 59.4 | 96.6 | 102.6 |
| 59 | Jind, India | 64.6 | 80 | 54.4 | 39.3 | 45.5 | 57.5 | 41.8 | 33.7 | 33.3 | 25.5 | 99.3 | 181 | 81.7 | 77.9 | 84.1 | 81.6 | 85.4 | 91.6 | 126.5 |
| 60 | Murthal, India | 64.6 | 63.2 | 50.4 | 38.8 | 27 | 45.4 | 24.9 | 19.6 | 11.5 | 52.1 | 106.6 | 197 | 106.6 | 51.1 | -- | -- | -- | -- | -- |
| 61 | Alampur, India | 64.4 | 85.7 | 86.7 | 67.1 | 75.8 | 56.7 | 53.3 | 58.2 | 48.2 | 25.4 | 74.1 | 75.3 | 34.8 | 74.1 | 72.5 | 66.2 | 59.2 | -- | -- |
| 62 | Aurangabad, India | 64 | 164.3 | 79.1 | 61.2 | 50.3 | 52.1 | 41.7 | 21.3 | 22.1 | 21.8 | 44 | 90.3 | 66.9 | -- | -- | -- | -- | -- | -- |
| 63 | Kurukshetra, India | 64 | 80.9 | 65.4 | 46.9 | 53.2 | 66.2 | 38.5 | 24 | 35.2 | 40.6 | 89 | 119.6 | 90.5 | 73.8 | 68.1 | 67.2 | 56.1 | -- | -- |
| 64 | Banposh, India | 64 | 97.3 | 82.2 | 93.8 | 79 | 51.1 | 45.7 | 33.1 | 39.6 | 31.1 | 48.1 | 78.1 | 88.3 | -- | -- | -- | -- | -- | -- |
| 65 | Gwalior, India | 63.9 | 154.9 | 73.6 | 55.1 | 48.6 | 35.3 | 30.7 | 18.5 | 27.4 | 27.3 | 60.1 | 114.9 | 116.2 | 56.8 | 52 | 61.1 | -- | -- | -- |
| 66 | Bada Barabil, India | 62.6 | 127.5 | 64.4 | 71.8 | 69.6 | 50.5 | 46.8 | 26.2 | 41.8 | 37.2 | 60.1 | 83.3 | 73 | -- | -- | -- | -- | -- | -- |
| 67 | Asansol, India | 62.4 | 128.7 | 86.9 | 74.2 | 68.7 | 55.2 | 41.7 | 20.6 | 38 | 28.1 | 52 | 76.4 | 68.3 | 61.3 | 59.7 | 55.3 | 50.9 | 64.4 | -- |
| 68 | Ujjain, India | 62.2 | 89 | 55.8 | 127.3 | 36.6 | 43.6 | 43.5 | 31.6 | 44.3 | 22.4 | 47.3 | 92.7 | 82.2 | 48.7 | 44.6 | 44.6 | 43.4 | 54 | -- |
| 69 | Yumananagar, India | 61.9 | 91.2 | 69.4 | 48.5 | 57.8 | 56 | 39.6 | 29 | 45 | 53.3 | 71.9 | 88.9 | 72.3 | 72 | -- | -- | -- | -- | -- |
| 70 |  Khujand, Tajikistan | 61.6 | 184.5 | 85.8 | 57.1 | 35.2 | 34.3 | 33.3 | 34.5 | 34.1 | 36.9 | 55.6 | 86.8 | -- | 58.7 | 59 | -- | -- | -- | -- |
| 71 |  Tay Ho, Vietnam | 61.5 | 117.2 | 80.7 | 88.4 | 72.2 | 43.6 | 33.3 | 26.4 | 38.6 | 41.5 | 50 | 72.5 | 74.6 | -- | -- | -- | -- | -- | -- |
| 72 | Narnaul, India | 61.4 | 99.8 | 63 | 51.8 | 68.9 | 43.8 | 45.8 | 42.7 | 29.4 | 28.1 | 49.1 | 143.4 | 71.8 | 53.2 | 59.7 | 49.2 | -- | -- | -- |
| 73 | Ludhiana, India | 60.4 | 91 | 76 | 46.1 | 46.8 | 54.8 | 44.4 | 37.6 | 35.3 | 35.9 | 54.8 | 108.8 | 94.4 | 60.7 | 71.8 | 45.2 | 49.3 | 55.1 | -- |
| 74 | Surat, India | 60.3 | 96.1 | 86.1 | 69.5 | 18.9 | 21.9 | 19.8 | 20.1 | 43.1 | 94.1 | 65.4 | 91.9 | 73.2 | 27.7 | 29 | -- | -- | -- | -- |
| 75 | Kuchaiburi, India | 60.1 | 95.8 | 70.5 | 74.3 | 74.2 | 37.2 | 31.3 | 16.9 | -- | 21.7 | 55.1 | 78.6 | 89.2 | -- | -- | -- | -- | -- | -- |
| 76 | Pappankuppam, India | 59.5 | 80 | 67.1 | 55.2 | 44 | 48.9 | 31.4 | 47 | 43.4 | 39.3 | 62.2 | 82.1 | 92.8 | 15.2 | -- | -- | -- | -- | -- |
| 77 |  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 | -- | -- |
| 78 | Khurja, India | 59.4 | 89.9 | 62.3 | 54 | 47.2 | 47.5 | 53.1 | 48.2 | 54.3 | 58.5 | 64.7 | 69.6 | 59.4 | -- | -- | -- | -- | -- | -- |
| 79 | Mothihari, India | 59.3 | 149 | 55.8 | 49.8 | 44.3 | 52.2 | 32 | 14.6 | 33.2 | 34.1 | 38 | 69.3 | 83.7 | -- | -- | -- | -- | -- | -- |
| 80 | Baddi, India | 59.1 | 152.9 | 77.4 | 46.3 | 33.1 | 33 | 34.2 | 30.8 | 37.1 | 42.4 | 48.3 | 75.4 | 128.9 | -- | -- | -- | -- | -- | -- |
| 81 | Talcher, India | 59 | 78 | 68.6 | 61.9 | 61.8 | 40.3 | 31.1 | 17.1 | 17.6 | 22.7 | 35.1 | 96.3 | 138.3 | 43.7 | 43 | 42.6 | 38.4 | 58 | -- |
| 82 | Amritsar, India | 58.9 | 79.5 | 63.7 | 54.1 | 62.1 | 51.8 | 35.5 | 41.7 | 41.9 | 38.1 | 55.5 | 97.5 | 79.8 | 49.2 | 55 | 47.1 | 47.2 | 60.6 | -- |
| 83 |  Aksu, China | 58.8 | 81.7 | 57.4 | 98.2 | 119.8 | 32.5 | 26.7 | 22.6 | 27.5 | 33.3 | 35.4 | 72.2 | 100.1 | 55.5 | 51.2 | 58.4 | 54 | 74.1 | 69.8 |
| 84 | Bulandshahr, India | 58.7 | 95 | 69.4 | 50.3 | 45.1 | 41.5 | 34.9 | 21.6 | 32 | 34.2 | 64.7 | 116.9 | 104.2 | 70.9 | 80.8 | 98.4 | 89.4 | -- | -- |
| 85 | Kishanganj, India | 58 | 148.7 | 104 | 66.2 | 50.6 | 29.7 | 27.5 | 16.3 | 24.2 | 24.4 | 50.3 | 77.1 | 61.1 | 60.8 | -- | -- | -- | -- | -- |
| 86 |  Jalal-Abad, Kyrgyzstan | 57.9 | 156.8 | 120.6 | 53.9 | 25.6 | 21.8 | 19.8 | 20.9 | 22 | 28.9 | 40.8 | 67.7 | 136.8 | 107.5 | 199.4 | -- | -- | -- | -- |
| 87 | North Guwahati, India | 56.7 | 145.7 | 106.2 | 71.6 | 64.8 | 35.2 | 25.7 | 16.1 | 20.1 | 24.2 | 34.6 | 62.6 | 76.2 | 48.1 | 47.1 | -- | -- | -- | -- |
| 88 | Palasbari, India | 56.7 | 111.3 | 97.7 | 67.9 | 66.5 | 29.4 | 36.5 | 25.1 | 18.1 | 19 | 40.4 | 68.2 | 88.7 | -- | -- | -- | -- | -- | -- |
| 89 | Chkalovsk, Tajikistan | 56.6 | 214.1 | 96 | 60.5 | 25.3 | 22.8 | 23 | 21.9 | 20.4 | 27 | 40 | -- | -- | -- | -- | -- | -- | -- | -- |
| 90 | Jayant, India | 56.4 | 124.2 | 77.4 | 71.8 | 72.9 | 55 | 37.4 | 15.4 | 19.4 | 24.3 | 39 | 75.4 | 64 | 67.8 | -- | -- | -- | -- | -- |
| 91 | 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 |
| 92 | Kota, India | 56.3 | 88.9 | 56.6 | 49.2 | 34.3 | 33.5 | 32 | 34.5 | 30.1 | 22.1 | 58.3 | 123.2 | 116.2 | 56 | 57 | 42.1 | 49.1 | 52.7 | -- |
| 93 | Chandigarh, India | 56.1 | 107.7 | 68.6 | 47.7 | 34.7 | 40.8 | 29.5 | 23.2 | 32.2 | 37.5 | 53.3 | 87.6 | 112.2 | 49.9 | 43.6 | 32.4 | 52.6 | -- | -- |
| 94 | Hajipur, India | 56 | 105.9 | 97.1 | 76.6 | 55.2 | 34.2 | 38.7 | 21.4 | 29.9 | 20.5 | 42.6 | 77.5 | 72.8 | 70.4 | 58.1 | 54 | -- | -- | -- |
| 95 | Tonk, India | 55.4 | -- | 50.9 | 26.6 | 27.7 | 21.6 | 30 | 54.3 | 41.6 | 24.3 | 52.9 | 144.3 | 123.5 | -- | -- | -- | -- | -- | -- |
| 96 |  Benoni, South Africa | 54.9 | 24.5 | 16.1 | 30 | 47 | 46.5 | 96.7 | 98.6 | 94.8 | 61.2 | 44.7 | 31.4 | 24.6 | -- | -- | -- | -- | -- | -- |
| 97 | Chittaurgarh, India | 54.7 | -- | 80.9 | 51.7 | 68.5 | 35.8 | 40 | 27 | 30.3 | 39.2 | 56.7 | 97.3 | 97.2 | -- | -- | -- | -- | -- | -- |
| 98 | Jhunjhunun, India | 54.4 | -- | -- | 36.8 | 26.6 | 28 | 23.6 | 31.2 | 50.6 | 42.9 | 57.1 | 134.1 | 112.8 | -- | -- | -- | -- | -- | -- |
| 99 | Barbil, India | 54.3 | 98.9 | 65.5 | 65.8 | 52.8 | 39.3 | 37.5 | 21.3 | 36.1 | 30.1 | 54.7 | 70.7 | 79.5 | -- | -- | -- | -- | -- | -- |
| 100 | Kizilsu, China | 54.2 | 56.3 | 38.7 | 69.9 | 99 | 40.2 | 27 | 30.6 | 36.8 | 31.7 | 29.4 | 53.9 | 138.1 | 52.8 | 43.9 | 52 | 48.6 | 60 | 43.4 |
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