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

NEWSROOM
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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
301 India
Prayagraj, India
40.1 61.2 34.3 28.6 21 21.3 18.4 25.4 34.9 34.4 62.4 88.8 50.2 43.8 -- -- -- -- --
302 Montenegro
Pljevlja, Montenegro
40.1 89.7 86.4 40.8 28.4 14.8 11.5 11.9 11.6 10.6 21.2 52.3 93.1 34.5 -- -- -- -- --
303 Nepal
Sudal, Nepal
40.1 67.3 -- 67.2 78.9 41.4 28.7 19.3 20.4 22.6 30.2 40.8 51.6 -- -- -- -- -- --
304 Thailand
Pong Yang Khok, Thailand
40.1 44.5 88 99.2 104.9 35.4 9.8 5.4 11.5 7 10.7 20.2 29.4 26.4 -- -- -- -- --
305 China
Hechuan, China
40 82.5 69.7 38.1 32.4 32.5 24.8 19.8 21.8 28.3 28.9 50.7 70 33.8 38.8 34.1 32.5 -- --
306 China
Wuwei, China
39.9 58.6 42.5 62.7 51.2 44.6 35.1 27.7 23.8 23.6 24.5 43.1 41.1 37.9 40.2 37.6 33.1 42.2 43.8
307 China
Yiyang, China
39.9 97.7 66.8 41.1 27 25.4 18.4 13 21 23.9 39.3 42.6 63.4 37.1 34.4 40 49.8 33.3 39.1
308 India
Hyderabad, India
39.9 56.8 54.1 48.6 42.1 35.5 24.2 18.2 27.3 19 43.2 51.5 58.9 42.4 39.4 34.7 39 44.2 51
309 Kuwait
Kuwait City, Kuwait
39.9 58.2 35.3 37.1 27.9 33.2 32.5 27.7 39.4 37.9 37.5 53 58.5 57.5 29.7 34 38.3 56 46.8
310 Thailand
Nai Wiang, Thailand
39.9 42.4 76.7 102 124.3 -- 16.3 13.5 15.8 12.2 13.5 22.8 30.4 25.6 -- -- -- -- --
311 China
Luzhou, China
39.8 80.5 71.1 40.2 27.7 33.3 18.5 16.1 15.8 21.9 24.5 53.3 76.5 36.1 38.3 37.3 40.8 37 51.4
312 China
Xinzhou, China
39.6 58.9 69.1 44.9 42 27.4 20.5 23 25.1 31 32.9 30.8 69.6 36.9 44.9 44.4 41.7 51.4 62.6
313 India
Jaisalmer, India
39.6 -- -- -- 10.9 20.8 24.8 22.6 17.5 19.5 30.6 103.5 81.5 -- -- -- -- -- --
314 Indonesia
Bandung, Indonesia
39.6 23 17.8 31.2 30.2 43.3 43.1 37.3 52.7 42.5 53.1 49.8 49.1 26.1 33.4 33.2 -- -- --
315 India
Jhalawar, India
39.4 -- -- 34.8 25.6 24.7 15.5 16.4 31.6 26.8 39.6 95.1 80.4 -- -- -- -- -- --
316 Thailand
Wiang Nuea, Thailand
39.4 33.8 67.1 144.8 134.8 28.4 12 7 9.4 6.8 9.1 13.7 21.8 -- -- -- -- -- --
317 Bahrain
Manama, Bahrain
39.2 -- 11.1 2.2 33.4 28.5 42.6 42.1 56.4 46.9 36.5 31.4 39.5 66.6 49.8 39.7 46.8 59.8 62.5
318 China
Bengbu, China
39.2 62.3 47.1 49.5 36.2 31 26.3 16.4 21.4 25.4 40 48.9 66.2 38 39.3 44.5 51.3 52.8 59.3
319 China
Hecun, China
39.2 52.6 72 49 40.2 29.2 23.9 24.3 29.9 34.9 33.5 34.3 41.8 39.8 28.6 -- -- -- --
320 China
Yichang, China
39 99.7 78.1 40.1 31.4 24.6 15.7 13.5 18.5 16.6 22.8 36.8 68.9 38 40 40.8 52.5 52.1 57.4
321 China
Chengdu, China
39 73.8 60.6 38.3 32.6 30.4 23.1 20.9 17 24 28.9 44.5 72.1 38.3 40.3 40.5 42.4 48.8 55.4
322 India
Ratlam, India
39 53.4 53 37.5 35.3 28.8 24.5 21.9 24.7 23.5 42.2 71.6 49.9 38 42.9 46.4 -- -- --
323 China
Jinan, China
38.9 72.9 56 50.4 40.7 27.9 18.4 16.9 20.5 30.1 33.5 35.9 61 36.2 42 49 54.4 52.9 63.7
324 India
Siliguri, India
38.9 84.4 61.3 46.5 40.1 30.5 26.1 18.5 22.7 19.9 28.9 43.9 47.4 42.1 42.4 58.2 39.6 44.5 --
325 China
Tangshan, China
38.8 47.6 54.6 64 36.9 32.4 26.8 23.3 23.2 31.5 40.5 35 50.3 33.1 43.2 46.8 52.6 63.5 84.7
326 India
Firozabad, India
38.8 52.5 34.9 27.5 20.1 27.6 40.3 26.3 27.9 20.6 49.2 72.3 64.4 46.8 83.4 -- -- -- --
327 China
Loudi, China
38.7 79 58.4 43.2 31.6 29.1 21.7 16.6 24.6 21.3 35.5 42 61.7 34 34.8 32.1 38.2 30.6 38.6
328 China
Zhongwei, China
38.7 51.4 45.5 45.7 77.4 35.4 29.7 26.4 25.9 25.2 25 35.2 43.4 34.8 37.1 33.3 31.5 36.9 36.6
329 China
Shaoyang, China
38.5 72.1 54.9 44.7 31.6 28.5 22.2 17.9 24.8 26 35.4 44.1 61.5 32.5 36.9 37.3 42.1 44 51.6
330 China
Korla, China
38.5 61.1 45.9 56.1 58.7 22.3 21.9 24.6 21.7 22.9 32.3 50.7 47.7 40 42.1 44.7 47.1 46.3 43
331 Kyrgyzstan
Tokmok, Kyrgyzstan
38.5 102.8 85.9 39.4 26.6 14.7 13.8 11 11.7 18.1 35.4 42.7 59.1 80.1 -- -- -- -- --
332 Turkey
Osmaniye, Turkey
38.5 88.9 68.7 30.5 16.1 17.6 20.5 19.1 25.7 25.4 23.6 33.8 95.3 21.5 26.3 -- -- -- --
333 China
Weifang, China
38.4 62.5 53.2 50.8 36.3 28.2 19.5 17 18.6 28.6 37.7 39.4 66.4 34.6 40.2 49.9 56.2 52.6 56.9
334 China
Ili, China
38.4 126.2 73.1 28.4 20.7 17.6 19.3 18.2 17.8 17 27.5 37.1 55.5 36.1 35.7 43.6 41.5 47.1 49.6
335 China
Huainan, China
38.3 72.9 54.6 53.8 37.4 27.5 20.4 12.8 18.7 22.3 34.8 43.2 61 40.8 42.2 47.4 52.5 54.8 61.6
336 China
Ezhou, China
38.3 76.1 59.1 47.7 32.3 26.9 18.8 10.8 19 16.6 46.9 42.5 61 34.3 37.4 37.8 42.5 44.9 56.4
337 China
Jinzhou, China
38.3 52.2 54.9 66.6 38.7 30.6 25.4 21 18.3 23.6 39 36.8 52.2 36.2 41.6 46.9 45.3 44.4 46.8
338 China
Zhangqiu, China
38.3 68.3 55.6 48.8 39.6 28.7 18.5 16 19.8 31.3 33.4 38.1 60.6 38.4 42.4 49.1 50.1 49.2 66.7
339 China
Datong, China
38.2 68.7 48.2 51.4 40.8 30.7 22.7 11.2 18.4 21.6 35.7 43.8 66 39.2 39.6 -- -- -- --
340 Kazakhstan
Balykshi, Kazakhstan
38.2 58.4 53 39.7 44.1 48.5 39.6 38.7 24.1 19.5 24.7 31.6 40.2 65.4 57.2 -- -- -- --
341 United Arab Emirates
Abu Dhabi, United Arab Emirates
38.2 25.4 26.8 37.1 29.6 26.9 35.2 47.8 54.6 51.5 50.1 30.1 41.7 48 33.8 23.9 38.4 48.8 --
342 China
Hengyang, China
38.1 78.3 57.6 42.7 25.5 32.1 19.6 15.9 21.9 22.8 38.4 42.6 60.2 31.5 35.9 35.3 42.1 41.3 47.8
343 India
Uppal Kalan, India
38.1 48.2 34.2 32.1 37.1 38.7 37 33.4 41 36.8 42.7 41.8 35.7 -- -- -- -- -- --
344 Italy
Torchiarolo, Italy
38.1 14.1 83.6 59.6 10.3 13.9 11.9 128.7 13.5 -- -- 13.4 35.5 10.8 12.3 12.6 13.8 17.2 19.9
345 Thailand
Nong Jom, Thailand
38.1 34.5 55.7 98.1 121.9 23.8 10.1 5.1 11.1 7.1 9.5 17.9 23.8 23.7 -- -- -- -- --
346 Thailand
Talat Khwan, Thailand
38.1 34.4 54.1 103.4 129.9 29.2 10.4 6.3 12.2 8.8 9.9 21 29.1 -- -- -- -- -- --
347 China
Fengrun, China
38 44.8 52.5 57.2 33.3 32.2 26.2 25.2 18.6 31.5 41.8 37.7 55.8 32.8 45.3 -- -- -- --
348 China
Zhenjiang, China
38 54 44 48.1 41.7 33.4 25.7 18.5 23.1 24.7 35.9 43.6 61.4 35.1 37.7 37.7 45 53.2 53.9
349 China
Meishan, China
38 74.6 62.7 35 26.3 25.6 16.4 14.8 16.3 24 29.8 49.5 78.4 35.8 33 31.4 35.2 36.2 47.1
350 India
Vemuluru, India
38 74.8 44 45.6 27.8 26.4 23.9 8 17 13.8 45.6 52.7 75.7 29.8 -- -- -- -- --

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