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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 201 |  Yuxia, China | 45.2 | 102 | 82.9 | 51.8 | 51.5 | 22.8 | 17.7 | 17.1 | 18.8 | 23.2 | 26.9 | 50.4 | 81 | 38.8 | 38.4 | 44.5 | 37 | -- | -- |
| 202 | Nangong, China | 44.9 | 78.1 | 60.8 | 51.7 | 39 | 28.8 | 17.6 | 14.4 | 20.5 | 36.6 | 58.6 | 51.7 | 71.6 | 45.1 | 44.6 | -- | -- | -- | -- |
| 203 | Zhengzhou, China | 44.8 | 97.5 | 80 | 54 | 48.3 | 26.3 | 22 | 17.8 | 22.2 | 26 | 36.2 | 45.5 | 61.1 | 45.8 | 43.4 | 50.9 | 58.4 | 64.1 | 70 |
| 204 |  Khadki, India | 44.8 | -- | -- | -- | 44 | 51 | 37 | 18.9 | 22.2 | 26.9 | 61.5 | 69.8 | 71.9 | -- | -- | -- | -- | -- | -- |
| 205 | Jingmen, China | 44.7 | 98.4 | 72 | 53 | 43.5 | 30.9 | 20.2 | 16.7 | 23.5 | 22.2 | 37.7 | 51.3 | 65.4 | 44.8 | 45.6 | 45.3 | 56.4 | 56.2 | 49.5 |
| 206 | Qingnian, China | 44.7 | 82.8 | 57.4 | 51.5 | 34.8 | 26.5 | 19.7 | 15.6 | 18.9 | 33 | 53.9 | 50.8 | 75.8 | 43 | 42 | -- | -- | -- | -- |
| 207 | Kusdihra, India | 44.7 | 84.6 | 50 | 42.3 | 46.6 | 41.6 | 39.2 | 19.4 | 26.3 | 23.3 | 31.7 | 62.5 | 71.2 | 38.5 | -- | -- | -- | -- | -- |
| 208 | Shijiazhuang, China | 44.6 | 60.7 | 77.1 | 60 | 46.7 | 33.3 | 20.7 | 20.4 | 22.6 | 35.8 | 46 | 49.2 | 65.5 | 43.8 | 46.5 | 57.6 | 64 | 76.7 | 98.8 |
| 209 | Nanyang, China | 44.6 | 105 | 76.5 | 50 | 40.6 | 25.5 | 20.1 | 17.5 | 20.4 | 20.8 | 38.4 | 48.3 | 70.6 | 47.2 | 47.1 | 51.4 | 60 | 60.6 | 57.1 |
| 210 | Xuzhou, China | 44.6 | 76.4 | 52.5 | 54.9 | 39.8 | 30.5 | 27.8 | 19.8 | 24.3 | 34.3 | 49.8 | 51.8 | 69.2 | 40.1 | 47.8 | 49.7 | 57.4 | 65.5 | 67.4 |
| 211 | Turpan, China | 44.6 | 104.4 | 60.5 | 42 | 71.7 | 27.6 | 23.8 | 24.7 | 19.5 | 21.2 | 24 | 44.4 | 72.4 | 47.3 | 49.6 | 49.5 | 56.3 | 56.1 | 66.1 |
| 212 |  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 | -- | -- | -- | -- |
| 213 | Baoding Shi, China | 44.5 | 55.2 | 72.6 | 64.1 | 45.8 | 34.9 | 22.3 | 19.3 | 21.2 | 34 | 48.6 | 50.7 | 67 | -- | -- | -- | -- | -- | -- |
| 214 | Taozhuang, China | 44.5 | 78.8 | 53.1 | 58.2 | 44.5 | 34.4 | 28 | 22.6 | 26 | 34.9 | 43.8 | 46.2 | 62.5 | 42.3 | 42.8 | -- | -- | -- | -- |
| 215 | Dewas, India | 44.5 | 60.5 | 41.1 | 44.8 | 49.5 | 36.2 | 26.1 | 14.5 | 26.9 | 28.8 | 59.5 | 79.1 | 67.6 | 42.9 | 38.9 | 39.2 | 38.5 | 48.2 | -- |
| 216 | Xingtai, China | 44.4 | 68.2 | 69.8 | 55.3 | 43.1 | 29.9 | 19.6 | 20.4 | 21.5 | 33.8 | 47.2 | 53.1 | 72.4 | 43 | 44 | 55.9 | 63.5 | 76.7 | 103.7 |
| 217 | Banswara, India | 44.4 | -- | 57.8 | 33.7 | 33.4 | 26.7 | 45.9 | 33.3 | 31.5 | 33.4 | 54.6 | 73.7 | 80.1 | -- | -- | -- | -- | -- | -- |
| 218 |  Ivanovo-Alekseyevka, Kyrgyzstan | 44.4 | 89.3 | 74.2 | 39.6 | -- | 3.5 | 11 | 9.5 | 9.8 | 17.4 | 37 | 43.4 | 94.9 | 86 | -- | -- | -- | -- | -- |
| 219 | Yanzhou, China | 44.3 | 89.3 | 62.4 | 58.9 | 36 | 29 | 24.5 | 19.1 | 23.9 | 27.2 | 40.8 | 46.7 | 66.9 | 43.2 | 42.4 | -- | -- | -- | -- |
| 220 | Linxi, China | 44.2 | 55.5 | 58 | 64.1 | 43.8 | 36.9 | 30 | 26.5 | 27.8 | 36.9 | 43.5 | 41.1 | 57.6 | 41.7 | 39.4 | -- | -- | -- | -- |
| 221 | Yibin, China | 44.1 | 81.1 | 81.3 | 45 | 34.9 | 36.1 | 22.1 | 20.2 | 20.1 | 29 | 30.7 | 52.7 | 74.6 | 41.7 | 43.3 | 38.8 | 45.9 | 49.3 | 55.4 |
| 222 | 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 | -- | -- |
| 223 | Bayinguoleng Mengguzizhizhou, China | 44 | 68.2 | 49.9 | 66.4 | 72.4 | 25.9 | 26.9 | 28.7 | 27.9 | 26.6 | 34.7 | 55.1 | 50.9 | -- | -- | -- | -- | -- | -- |
| 224 | Dingzhou, China | 43.9 | 57.3 | 75.3 | 58.2 | 43.6 | 33.4 | 21.7 | 22.1 | 24.2 | 34.4 | 45.7 | 52.5 | 61.8 | 44.6 | 39.9 | -- | -- | -- | -- |
| 225 | Zaozhuang, China | 43.9 | 78.5 | 53.5 | 56.8 | 41 | 29.4 | 24.9 | 18.5 | 22.2 | 33.2 | 44.7 | 51 | 69.7 | 40.9 | 44.8 | 54.8 | 59.6 | 57.6 | 62 |
| 226 |  Wiang Phang Kham,, Thailand | 43.9 | 33.3 | 60.3 | 117.8 | 232 | -- | 15.7 | 13.2 | 13.9 | 13.3 | 14.8 | 24.6 | 28.9 | 23.1 | -- | -- | -- | -- | -- |
| 227 | Sirsa, India | 43.8 | 64.1 | 47.9 | 31.6 | 26.6 | 32.5 | 26 | 27.6 | 22.7 | 16.8 | 23.6 | 121.6 | 66.4 | 51.3 | 57.8 | 47.2 | 73.7 | -- | -- |
| 228 | Mumbai, India | 43.8 | 85.5 | 77.6 | 61 | 34.9 | 21.4 | 17.1 | 14.6 | 16.5 | 20.4 | 59.7 | 58.5 | 60.2 | 46.7 | 46.4 | 41.3 | 45.3 | 58.6 | 54.2 |
| 229 | Sikar, India | 43.8 | -- | -- | 32.3 | 29.5 | 34.5 | 18.4 | 20.5 | 23.4 | 16.3 | 36.4 | 121.7 | 102.1 | -- | -- | -- | -- | -- | -- |
| 230 | Bali, India | 43.8 | 98.3 | 61.9 | 54.2 | 38.7 | 25 | 24.2 | 10.9 | 30.7 | 17.9 | 35.4 | 69.4 | 73.2 | 86 | -- | -- | -- | -- | -- |
| 231 |  Jakarta, Indonesia | 43.8 | 20.6 | 19.2 | 31.2 | 28.4 | 49.8 | 48.7 | 55.3 | 58.3 | 53 | 61.1 | 53 | 44.3 | 36.2 | 39.2 | 39.6 | 49.4 | 45.3 | 29.7 |
| 232 | Huaibei, China | 43.7 | 79.5 | 56.7 | 58.2 | 43.4 | 27.7 | 22.9 | 15.8 | 22.2 | 26.1 | 48.8 | 53 | 69.7 | 42.9 | 42.2 | 49.8 | 55.1 | 58.2 | 66.2 |
| 233 |  Hanoi, Vietnam | 43.7 | 73.8 | 46.1 | 54.4 | 47.3 | 33.8 | 27 | 22 | 28.2 | 30.8 | 40.7 | 58.6 | 61.3 | 40.1 | 36.2 | 37.9 | 46.9 | 40.8 | 45.8 |
| 234 |  Dubai, United Arab Emirates | 43.6 | 25 | 32.5 | 39.8 | 35.6 | 33.8 | 40.9 | 59.9 | 61.5 | 59.3 | 52.4 | 32.7 | 48.6 | 43.7 | 36.9 | 32.6 | 40.9 | 55.3 | -- |
| 235 | Wadgaon Kolhati, India | 43.5 | 62.6 | 52 | 45.1 | 34.7 | 32 | 28.1 | 15.8 | 18.8 | 38.1 | 49.4 | 68.3 | 69.7 | 40.4 | -- | -- | -- | -- | -- |
| 236 | Pingdingshan, China | 43.4 | 92.2 | 76 | 49.6 | 44 | 28.6 | 21.4 | 16.7 | 22.7 | 25 | 35.2 | 41.3 | 66.4 | 49.4 | 47.1 | 51.2 | 60.1 | 65.1 | 67.3 |
| 237 | Binzhou, China | 43.4 | 72.5 | 63.8 | 56 | 41.6 | 31.3 | 23.8 | 23.5 | 22.6 | 31.6 | 40.9 | 44.3 | 66.6 | 38.9 | 42.6 | 49 | 53.6 | 55.8 | 66.8 |
| 238 | Dezhou, China | 43.4 | 78.2 | 58 | 55.7 | 41.9 | 28.9 | 19.9 | 21.2 | 19.4 | 31.8 | 48 | 47.1 | 70.5 | 40.7 | 44.1 | 50.1 | 53.4 | 54.8 | 68.5 |
| 239 | Zigong, China | 43.4 | 83.4 | 75.5 | 42.7 | 29.1 | 30.4 | 17.7 | 16 | 21.2 | 32.1 | 37.8 | 55.5 | 77.1 | 38.8 | 44.4 | 45.1 | 47.5 | 56.8 | 69.3 |
| 240 | Zibo, China | 43.3 | 72.7 | 60.8 | 54.1 | 42.8 | 33.4 | 23.4 | 20.4 | 24.3 | 36.1 | 38.8 | 42.1 | 68.5 | 42.7 | 49.2 | 53.9 | 57.7 | 55.9 | 63.1 |
| 241 |  Bageshwori, Nepal | 43.3 | 72.3 | 72.6 | 69.1 | 80.9 | 38.5 | 25.8 | 15.4 | 14.4 | 17.1 | 24 | 39.5 | 51.5 | -- | -- | -- | -- | -- | -- |
| 242 | Hengshui Shi, China | 43.2 | 74.2 | 59.8 | 53.9 | 39.4 | 27.7 | 18.3 | 18.5 | 16.8 | 31.8 | 50.9 | 52.7 | 74.4 | -- | -- | -- | -- | -- | -- |
| 243 | Narayani, Nepal | 43.2 | 49.2 | 66.1 | 84.2 | 99.5 | 43.2 | 31 | 19.6 | 19.9 | 21 | 30.9 | 46.5 | 67.7 | 50.1 | 39.6 | -- | -- | -- | -- |
| 244 | Xiaogan, China | 43.1 | 102.1 | 66.1 | 57.2 | 35.9 | 26.2 | 19.9 | 13.6 | 19.6 | 17.3 | 44.1 | 45.2 | 67.6 | 41.1 | 33.9 | 35.9 | 43.9 | 43.9 | 49.4 |
| 245 | Tianjin, China | 43.1 | 59.3 | 59.4 | 63.7 | 41.8 | 32.9 | 22.7 | 24.3 | 24 | 34 | 50 | 42.2 | 61.3 | 36.2 | 39.9 | 48.9 | 51.3 | 52.3 | 63.2 |
| 246 | Pithampur, India | 43.1 | 70 | 36.2 | 38.1 | 36.9 | 24.4 | 27.1 | 22.9 | 25.7 | 29.9 | 48.2 | 74.1 | 76.5 | 44.7 | 48.1 | 40.1 | 39.5 | 46.2 | -- |
| 247 | Coimbatore, India | 43 | 54.9 | 48.9 | 43.4 | 41.8 | 39.4 | 24.6 | 22.8 | 27.1 | 19.9 | 63.2 | 49.8 | 88.1 | 28.9 | 36.2 | 27.5 | -- | -- | -- |
| 248 | Laiwu, China | 42.9 | 72 | 59.8 | 59.1 | 40.9 | 29 | 24 | 17.7 | 20.4 | 30.9 | 40.3 | 46.7 | 73.4 | -- | -- | -- | -- | -- | -- |
| 249 | Suzhou, China | 42.8 | 75.9 | 55.3 | 57.3 | 38.2 | 27.5 | 20.5 | 14.1 | 21.2 | 25.4 | 48.3 | 51.8 | 68 | 40.2 | 42 | 47 | 52.6 | 57.6 | 70.5 |
| 250 | Botou, China | 42.8 | 67.4 | 55.1 | 49.7 | 37.6 | 29.3 | 19.3 | 20 | 18.3 | 34.2 | 49.1 | 52.4 | 71.3 | 36.5 | 37.3 | -- | -- | -- | -- |
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