World's most polluted cities (historical data 2017-2022)
Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)
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Meets WHO guideline
Exceeds by 1 to 2 times
Exceeds by 2 to 3 times
Exceeds by 3 to 5 times
Exceeds by 5 to 7 times
Exceeds by 7 to 10 times
Exceeds by over 10 times
Rank  | City | 2022 | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 251 |  Bijelo Polje, Montenegro | 39.6 | 33.8 | 35.2 | 42 | 35.9 | 18.8 | 18.3 | 24.9 | 19.6 | 30.2 | 52.3 | 73 | 83.4 | - | - | - | - | - |
| 252 |  Kampala, Uganda | 39.6 | 50.3 | 42.8 | 32.8 | 22.6 | 25.5 | 23.5 | 35 | 41.4 | 74 | 51.8 | 44.2 | 54.7 | 27.6 | 26.1 | 29.1 | 40.8 | 54.3 |
| 253 |  Gornji Milanovac, Serbia | 39.5 | 82.1 | 58.4 | 53.6 | 17 | 9.7 | 10.8 | 13 | 16.7 | 13.3 | 33 | 46.4 | 66.6 | 32.5 | - | - | - | - |
| 254 |  Indore, India | 39.4 | 63.1 | 47.6 | 49.2 | 56.6 | 47 | 32.8 | 24.3 | 30.5 | 31.7 | 33.8 | 39.3 | 32.8 | 45.5 | 40 | - | - | - |
| 255 | Solapur, India | 39.3 | 40.5 | 45.3 | 47.5 | 41.6 | 42.5 | 38 | 31.2 | 34.1 | 32 | 34.2 | 54.8 | 48.4 | 32.6 | 30.6 | 36.9 | 38.9 | 37.7 |
| 256 |  Datong, China | 39.2 | 94.8 | 52.4 | 44.9 | 31.9 | 27.8 | 18.3 | 12.7 | 13.7 | 22.5 | 31.6 | 45.3 | 73.9 | 39.6 | - | - | - | - |
| 257 | Taian, China | 39.2 | 82.8 | 50.5 | 49.7 | 35.8 | 27.9 | 23.5 | 20.2 | 20.4 | 27 | 29.7 | 47.2 | 56.1 | 44.1 | 51.2 | 57.6 | 51.7 | 57.5 |
| 258 |  Quilpue, Chile | 39.1 | - | - | - | - | 68.8 | 70.1 | 57.8 | 44.4 | 28 | 17.5 | 15.9 | 18.7 | - | - | - | - | - |
| 259 | Changqing, China | 39.1 | 85.2 | 42 | 43.9 | 35.6 | 28 | 25.1 | 22.1 | 21.3 | 25 | 31.2 | 49.2 | 61.9 | 37.6 | - | - | - | - |
| 260 | Linyi, China | 39.1 | 78.8 | 52.3 | 48.2 | 39.2 | 27.9 | 23.5 | 18.5 | 18.1 | 21.1 | 30 | 42.5 | 70.4 | 44.7 | 48.4 | 57.7 | 50.2 | 56.4 |
| 261 | Yangcun, China | 39.1 | 58.1 | 39.5 | 46.2 | 42.8 | 29.5 | 35.4 | 24.7 | 22.8 | 35.3 | 46.4 | 58.5 | 31 | 43 | - | - | - | - |
| 262 |  Bhaktapur, Nepal | 39.1 | - | - | - | - | 43.3 | 42.6 | 22.4 | 18.7 | 27.8 | 34.3 | 61.1 | 66 | 30.7 | - | - | - | - |
| 263 | Changde, China | 39 | 88.4 | 55.5 | 35.2 | 29.8 | 28.3 | 20.7 | 13.4 | 17.2 | 35.8 | 34.3 | 38.1 | 73.8 | 40 | 40.7 | 47.5 | 42.3 | 51.5 |
| 264 | Binzhou, China | 38.9 | 64.9 | 42.5 | 41.6 | 36.6 | 30.1 | 27.5 | 23.9 | 21.7 | 27.7 | 35.5 | 52 | 63.5 | 42.6 | 49 | 53.6 | 55.8 | 66.8 |
| 265 | Yuxia, China | 38.8 | 84.9 | 54.8 | 43.4 | 29.9 | 23.4 | 16.6 | 18 | 19.5 | 25 | 35.1 | 47.6 | 68.2 | 38.4 | 44.5 | 37 | - | - |
| 266 | Zigong, China | 38.8 | 79.2 | 46.4 | 46.6 | 33 | 23.1 | 22 | 17.5 | 17.6 | 24.5 | 45.9 | 46.5 | 62.6 | 44.4 | 45.1 | 47.5 | 56.8 | 69.3 |
| 267 |  Santa Anita, Peru | 38.8 | 20.6 | 21.6 | 22.1 | 31.4 | 52 | 53.7 | 48.4 | 54.1 | 48.2 | 45.2 | 33.9 | 32.1 | 36.2 | - | - | - | - |
| 268 | Tulera, India | 38.6 | 48 | 38.3 | 38.2 | 38.8 | 53.2 | 41.7 | 29.8 | 29.3 | 30.4 | 37.8 | 66.5 | - | - | - | - | - | - |
| 269 | Kusdihra, India | 38.5 | 51.8 | 42.1 | 42.1 | 53.6 | 35.7 | 35.3 | 12.7 | 14.3 | 13.6 | 27.2 | 52.7 | 88.4 | - | - | - | - | - |
| 270 | Jinchang, China | 38.4 | 79.9 | 43.6 | 43.6 | 33.1 | 33.5 | 18.2 | 19.9 | 17.8 | 28.1 | 37.8 | 43.6 | 60.9 | 31 | 21.2 | 20.8 | 25.2 | 27.1 |
| 271 | Zhangqiu, China | 38.4 | 77.8 | 41.7 | 44 | 35.1 | 27.5 | 26.6 | 24.1 | 20.7 | 24.9 | 31.3 | 50.2 | 57.6 | 42.4 | 49.1 | 50.1 | 49.2 | 66.7 |
| 272 | Nanma, China | 38.3 | 75.3 | 51 | 49.5 | 38.7 | 29.2 | 27.3 | 19.6 | 19.8 | 25.8 | 32.9 | 41.1 | 49.6 | 36.1 | - | - | - | - |
| 273 | Chengdu, China | 38.3 | 66.5 | 42.7 | 47.4 | 31.3 | 29.4 | 28.3 | 24.3 | 22.9 | 23.4 | 38.5 | 47 | 57.6 | 40.3 | 40.5 | 42.4 | 48.8 | 55.4 |
| 274 | Merta, India | 38.3 | 28.2 | 29 | 45.1 | 106 | 69.4 | 34.6 | 6.9 | 23.5 | 43.5 | 21.9 | 38.4 | 8.3 | 29.9 | - | - | - | - |
| 275 | Agra, India | 38.2 | 87.5 | 42.4 | 49.4 | 42.6 | 37 | 26.1 | 13 | 11.7 | 17.5 | 47.5 | 58.1 | 49 | 73.4 | 80.2 | 57.2 | 104.8 | 110.6 |
| 276 |  Benin City, Nigeria | 38.1 | 81.2 | 57 | 32.3 | 26.9 | 34.8 | 30.9 | 29 | 27.6 | 17.9 | 25 | 37.4 | 58.4 | 29.7 | - | - | - | - |
| 277 | Bengbu, China | 38 | 84.3 | 48.3 | 44.6 | 33 | 28.6 | 21.4 | 16.1 | 18.6 | 23.9 | 32.2 | 41.1 | 64.3 | 39.3 | 44.5 | 51.3 | 52.8 | 59.3 |
| 278 | Yichang, China | 38 | 91.7 | 57.6 | 37.2 | 25.4 | 27.5 | 19.4 | 16.1 | 16.4 | 23 | 24.8 | 43.4 | 73.1 | 40 | 40.8 | 52.5 | 52.1 | 57.4 |
| 279 | Jincheng, China | 38 | 80.1 | 49.3 | 47.5 | 33.8 | 22 | 20.6 | 20 | 22.8 | 31.5 | 38.7 | 45.7 | 43.2 | 35.7 | 46.2 | 54.1 | 59.8 | 63.4 |
| 280 | Ratlam, India | 38 | 43.1 | 34.2 | 36.5 | 43.5 | 53.8 | 27.9 | 16.7 | 21.7 | 27.9 | 38.2 | 56.5 | 56.5 | 42.9 | 46.4 | - | - | - |
| 281 | Wuwei, China | 37.9 | 58.2 | 32.9 | 45.6 | 44.7 | 57.1 | 22.5 | 26.2 | 18.8 | 22.8 | 34.6 | 39.8 | 50.6 | 40.2 | 37.6 | 33.1 | 42.2 | 43.8 |
| 282 | Boshan, China | 37.9 | 81.4 | 42.4 | 44.7 | 35.5 | 28.2 | 23.4 | 20 | 20.2 | 27.1 | 31.2 | 41.4 | 61.2 | 37.4 | - | - | - | - |
| 283 | Changzhi, China | 37.9 | 74.3 | 47.2 | 49.9 | 35 | 23.9 | 21.4 | 23 | 21 | 31 | 37.7 | 50.2 | 39.5 | 39.2 | 45.5 | 47.5 | 53.2 | 62.3 |
| 284 | Sikandarabad, India | 37.9 | 24.2 | 24.7 | 34.8 | 41.7 | 42.3 | 33.2 | 12.4 | 43.3 | 39.3 | 41.7 | 56 | 57.4 | 26.4 | - | - | - | - |
| 285 | Yutan, China | 37.8 | 79 | 47.5 | 35.3 | 33.7 | 34.2 | 18.5 | 15.9 | 17.4 | 36.4 | 39.6 | 38.6 | 58.4 | 47.5 | - | - | - | - |
| 286 | Suqian, China | 37.8 | 84.7 | 55.4 | 44.6 | 33 | 26.8 | 23.5 | 19.3 | 19.9 | 21.9 | 25.8 | 34.6 | 64.4 | 39.2 | 45.9 | 47.9 | 53.1 | 56.9 |
| 287 | Coyhaique, Chile | 37.7 | 6 | 6.2 | 17.6 | 33.3 | 99.4 | 129.6 | 69.6 | 35.2 | 21.6 | 16.3 | 8.7 | 7.1 | 36.1 | 33.3 | 41.5 | 34.2 | 39.3 |
| 288 | Kalaburagi, India | 37.7 | 49.2 | 45.5 | 51.8 | 45.5 | 35.2 | 14.4 | 9.9 | 14.3 | 13.2 | 29.5 | 70 | 53.9 | - | - | - | - | - |
| 289 | Carabayllo, Peru | 37.6 | 25.6 | 24.5 | 18.5 | 38.3 | 50.8 | 40.7 | 36.2 | 51.3 | 46.3 | 44.7 | 32.7 | 32.2 | 27.6 | 18.6 | - | - | - |
| 290 |  Sokolac, Bosnia Herzegovina | 37.2 | 81.5 | 43.7 | 54.4 | 26.1 | 21.3 | 19.9 | 19.2 | 21.6 | 21 | 47 | 49.7 | 48.6 | 31.9 | - | - | - | - |
| 291 | Banja Luka, Bosnia Herzegovina | 37.1 | 69.3 | 46.6 | 50.4 | 21.7 | 17.8 | 15.5 | 12.3 | 14.2 | 12.7 | 44.6 | 59.3 | 80.3 | 26.4 | 25 | - | - | - |
| 292 | Changsha, China | 37.1 | 76.6 | 46.3 | 36.3 | 34.7 | 35.6 | 17.4 | 15.8 | 17 | 35.2 | 36.5 | 37 | 57.3 | 43 | 41 | 46.8 | 45.8 | 51.4 |
| 293 | Yiyang, China | 37.1 | 81.1 | 50.2 | 34.8 | 27.8 | 29.4 | 16.4 | 11.7 | 13.2 | 29.6 | 40.7 | 44.7 | 66.4 | 34.4 | 40 | 49.8 | 33.3 | 39.1 |
| 294 |  Karlovac, Croatia | 37 | 97.6 | 54.2 | 59.9 | 22.1 | 16.1 | 12.1 | 11.5 | 13 | 15.6 | 45.2 | 62.5 | 51.5 | 59.9 | - | - | - | - |
| 295 | Xiangtan, China | 36.9 | 72.5 | 46.7 | 36.4 | 33.9 | 33.8 | 16.2 | 15.1 | 16.3 | 36.3 | 39.5 | 40.5 | 58.1 | 42.3 | 38.2 | 46.8 | 46.6 | 50.3 |
| 296 | Xinzhou, China | 36.9 | 71 | 39.3 | 54.2 | 28 | 20.9 | 26.6 | 26 | 24.3 | 24.4 | 38 | 51.8 | 37.9 | 44.9 | 44.4 | 41.7 | 51.4 | 62.6 |
| 297 |  Duzce, Turkey | 36.8 | 81.5 | 55.8 | 33 | 31.9 | 20 | 19.7 | 19.1 | 15.7 | 16.3 | 33.6 | 57 | 59.7 | 44.4 | 33.3 | 46 | - | - |
| 298 | Jiangyin, China | 36.7 | 65.6 | 39.1 | 38.8 | 30.7 | 34.3 | 27.9 | 18.8 | 21.9 | 23.3 | 22.8 | 32.4 | 47.9 | 33.9 | 36.8 | 41.8 | 48.8 | 55.1 |
| 299 | Hosur, India | 36.7 | 49.2 | 54.1 | 58 | 46.3 | 35.9 | 22.5 | 22.2 | 22 | 24 | 37.6 | 41 | 42.5 | 28.2 | - | - | - | - |
| 300 |  Cileungsir, Indonesia | 36.6 | - | 3 | 6.1 | 6.7 | 14 | 56.2 | 60.5 | 54.5 | 50.4 | 59.1 | 47.2 | 40.4 | - | - | - | - | - |
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