World's most polluted cities 2020 (PM2.5)

The most polluted cities according to data aggregated from over 80,000 data points.

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2020

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2020 World air quality report

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PM2.5 Legend grey informational icon
WHO target Good Moderate Unhealthy for sensitive groups Unhealthy Very unhealthy Hazardous
Unit: µg/m³
Rank City 2020 AVG JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2019 AVG 2018 AVG 2017 AVG
201 India
Pune, India
39.7 64.5 67.4 47.7 31.9 30.9 18.5 17.3 17.2 22.5 35.1 54.9 68.7 35.7 46.3 37
202 Indonesia
Jakarta, Indonesia
39.6 30.9 27 32.9 40.3 39.8 57.9 54.4 52.4 45.3 39 41.3 13.7 49.4 45.3 29.7
203 China
Pingdu, China
39.5 72.9 41.7 39.2 37.7 24 26.2 21.7 19.2 24.2 36.4 40.3 85.1 46.3 37.6 44.7
204 Iran
Ahvaz, Iran
39.5 37.2 38.5 32.6 25.9 40.3 29.8 47.9 30.2 50.5 52 47.3 39.1 - - -
205 Iran
Qarchak, Iran
39.5 47.6 38.7 30.8 24.9 27.4 35.5 - 29.8 35.1 49.2 37.4 59.9 - - -
206 China
Hohhot, China
39.4 150.5 55 28.8 24.1 26.6 20.9 18.1 15.5 16.4 28.2 37.5 45.5 36.4 35.3 41.2
207 China
Chuzhou, China
39.3 71.4 42.4 40.8 39.2 32.2 21.8 25.1 20.6 27.5 32.6 42.1 70.7 48.4 49.7 55.2
208 India
Gourela, India
39.3 42.3 45.9 34.2 30.9 35.2 31.7 29.8 29.2 31.1 41.1 54.7 64.8 43.4 - -
209 Kazakhstan
Almaty, Kazakhstan
39.3 106.1 70.5 43.3 20.5 10 10.5 8.4 12.6 14.8 35.3 54.2 100.6 - - -
210 India
Dewas, India
39.2 48.9 42.2 33.4 48.5 30.5 26.7 26.5 23.3 37.3 45.4 54.7 53.5 38.5 48.2 -
211 Nepal
Kathmandu, Nepal
39.2 87.2 77 39.9 44.5 23.9 12.2 9.9 7.3 13.6 27.4 48.4 79.6 48 54.4 45.9
212 China
Suihua, China
39.1 138.2 58.1 40.5 52.2 20.1 8.9 16.3 11 12.5 19.5 38 51.9 37.1 35.4 35.4
213 China
Laizhou, China
39.1 79.6 47.5 40.5 38.7 25.1 24.8 22.2 19.2 20.9 35.7 38.9 72.5 40.2 32.4 38.7
214 India
Bhopal, India
39.1 49.5 44.3 30.4 41.4 30 27.3 28.6 24.1 33.9 46.5 52.4 60.9 44.6 - -
215 Nepal
Patan, Nepal
39.1 58.1 63.5 41.2 38 22.9 11.1 9.5 4.5 15.6 34.7 53.2 65 23.8 - -
216 India
Bhiwani, India
39 59.6 50.2 35.6 34.8 31.1 31.6 30.3 26.1 36.2 46.7 41.6 42.4 61.6 - -
217 Pakistan
Islamabad, Pakistan
39 63.5 52.9 26.7 22.4 18.8 29.8 33.2 27.2 32 42.4 53.3 66.1 35.2 38.6 39.2
218 China
Shashi, China
38.9 66.2 44.1 36.8 36 34.6 23 22.3 20.1 26.9 34.3 43.8 77.8 42.6 - -
219 China
Liaoyuan, China
38.9 104.4 42 33.3 66.7 20.6 19.8 21.8 16.1 18.7 40.1 45 37.3 37.6 35.6 48.5
220 India
Gandhinagar, India
38.9 51.6 54.5 50.2 38 38.8 25.9 25.9 21 29.5 40.3 46.4 44.3 55.9 - -
221 China
Xinpu, China
38.8 76.1 44 39.4 44.1 38.7 26.2 15.9 19.6 26.4 30.3 40.4 69.8 35.5 - -
222 China
Yibin, China
38.8 70.3 60.3 37.4 34.3 29 22.5 17.1 18.3 19.4 30.1 64.9 62 45.9 49.3 55.4
223 China
Changzhou, China
38.7 69.3 38.4 37.3 40.4 37.9 23.9 24.6 22.6 29.4 31.4 39.4 67.9 44.7 50.3 46.8
224 China
Tongchuan, China
38.6 86.8 50.5 34.9 29 21.7 23.2 23.3 18.4 25 35 55.8 60.3 44.6 46.3 50.5
225 China
Jimo, China
38.6 80.5 37.1 36.9 39.9 21.5 22.4 19.4 17.8 24.4 35.4 40.7 80.9 44 32.8 41.7
226 China
Shuozhou, China
38.6 100.3 50.9 32 30.3 26.2 26.6 23 18.1 21.9 31.8 55.4 46.4 38.8 41.8 49.1
227 China
Jiaozhou, China
38.5 113.5 26.7 36.8 38 22.4 25 22.8 18.4 26 32 37.4 82.9 49.2 41.9 40.1
228 China
Tieling, China
38.4 103.5 48.1 42.5 53.3 20 18.4 21 16.2 14.6 32.9 42.5 43.1 40 38.2 48.4
229 China
Xiangtan, China
38.2 57.9 40.4 34.9 39.6 28.5 15.4 17.9 16.6 23.4 44.6 45.6 90.8 46.8 46.6 50.3
230 Iran
Pishva, Iran
37.9 39 33.8 26.9 22.9 32.9 36.4 39.4 48.7 61.2 49.5 30.9 49.4 - - -
231 Mali
Bamako, Mali
37.9 - - - 78.2 47.8 32.7 20.4 18 21 39.6 59.8 50.1 - - -
232 Vietnam
Hanoi, Vietnam
37.9 49.8 62.8 45.4 43.4 34.5 27.5 23.9 23.3 27.9 27.4 39.7 50.5 46.9 40.8 45.8
233 China
Ezhou, China
37.8 53.1 35.6 33.4 37.3 35.8 18.6 20.4 19.1 28.3 42.6 44.6 81.9 42.5 44.9 56.4
234 Thailand
San Kamphaeng, Thailand
37.8 56.7 63.5 90.4 63.1 23.8 8.4 10 11.1 16.3 - - 32.1 21.8 - -
235 USA
Yosemite Lakes, USA
37.8 25.1 19.8 9.5 8 - - - 35.3 114.2 56.1 28.4 25.3 8.8 - -
236 Bosnia Herzegovina
Lukavac, Bosnia Herzegovina
37.7 103 62.4 41.5 29.5 18.9 17.1 19.3 19.1 23.3 40.2 51.2 59.2 39.9 55.6 -
237 China
Zhenjiang, China
37.7 62.7 39.8 37.8 40.1 37.1 24.8 23.3 22.1 28.4 30.7 36.9 70 45 53.2 53.9
238 Bosnia Herzegovina
Doboj, Bosnia Herzegovina
37.6 94.3 58.7 44 34.2 21.8 19.2 22.4 22.3 16.7 35.1 52.8 55.4 - - -
239 China
Wuwei, China
37.6 61.4 42.5 36.6 37.6 41.9 23.6 27.1 19.9 21.8 32.7 55.8 50.5 33.1 42.2 43.8
240 China
Dazhou, China
37.6 55.2 65.3 42.3 34.1 38.4 19 14.9 21.7 28.4 29.1 37.7 67 45.3 44.7 48.6
241 China
Beijing, China
37.5 63.3 62.5 34.7 31.3 35.3 30.7 35.8 25.1 21.9 41.1 38.9 30.2 42.1 50.9 58.8
242 China
Rizhao, China
37.5 77.5 42.1 33.6 36.1 29.9 27.7 20 20.3 22.5 33.5 36.1 68.3 46.2 41.6 46.8
243 China
Qinhuangdao, China
37.4 65.1 50 34.1 37.1 30.9 32.4 33.1 28.2 23.3 44.5 35.3 35 43.6 43.9 50
244 China
Lintong, China
37.4 91.7 55.6 31.3 28.9 23.9 21.3 22.4 19.2 25.9 30.1 49.9 52.6 36.1 - -
245 China
Shaoyang, China
37.3 48.6 38.4 34.3 39.2 34.4 20.2 21.5 20.9 28.5 37.4 44 78.2 42.1 44 51.6
246 China
Jurong, China
37.3 66.7 37 33.5 38.6 34.8 22.3 24.1 25.4 30.5 28.4 35.9 68.8 43.8 50.7 47.5
247 China
Luzhou, China
37.3 63.8 61.3 40.1 35.5 30.5 22.5 18.2 22.5 23.3 25.4 48.6 57 40.8 37 51.4
248 Iran
Bandar Mahshahr, Iran
37.2 31.7 34.2 31.1 24.7 40.2 33.1 47.7 32.9 43.8 44.1 40.7 37 - - -
249 China
Deyang, China
37.1 69.1 54.7 37.1 34.9 39.8 23.2 16.6 17.6 17.6 25.8 50 60.5 39.9 41.1 51.2
250 China
Luan, China
37 66.8 40.7 40 34.5 28 16.3 17 17 26.6 41.2 45 68.7 41.9 44.9 46.7

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