World's most polluted cities 2019 (PM2.5)

The most polluted cities according to data aggregated from over 60,000 data points.

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2019

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2019 World air quality report

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PM2.5 Legend
WHO target
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Unit: µg/m³
Rank City 2019 AVG JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2018 AVG 2017 AVG
651 Italy
Dalmine, Italy
24.4 36.9 39.2 24.3 19 15.4 20.4 15.8 13.2 - - - - 20.6 28.4
652 Thailand
Chiang Saen, Thailand
24.4 - - - 88.2 71.2 11.3 7.4 7.6 18.3 18.3 19.5 28.4 - -
653 Chile
La Union, Chile
24.3 6.6 8.4 11.5 27.5 39.9 52.6 45.7 35.1 20.6 14.1 9.5 6.3 - -
654 China
Meizhou, China
24.3 34.4 24.2 24.5 22.6 18.6 11.8 14.2 16.7 24.8 31 34.9 32.8 27.6 28.9
655 Mexico
Garcia, Mexico
24.3 21.6 30.3 24.1 20.7 27.5 18 18.9 18.4 21.8 24.7 35.1 30.5 - -
656 South Korea
Seocheon, South Korea
24.3 28.3 34.8 40.9 20.8 26.9 21 16.7 17.8 14.1 16.8 20.9 25.8 - -
657 South Korea
Hanam, South Korea
24.3 39.7 38.8 39 13.6 21.3 15.2 15.6 14.6 10.3 13.4 20.1 26.2 22.1 25.5
658 Thailand
Pak Kret, Thailand
24.2 35.4 23 27.2 25.1 21.5 11.9 11.2 8.6 21.2 25.5 35.5 47.1 - -
659 Thailand
Tha Yang, Thailand
24.2 - - 37 24.7 18.1 9.8 10.1 7.8 18.2 26.6 42.7 50.3 - -
660 Thailand
Bang Phli, Thailand
24.2 54.2 19.8 27.3 19.4 21.6 9.2 10.3 7.5 21.7 25 34.1 39.8 - -
661 Chile
Rengo, Chile
24.1 11 12.4 12.9 22.6 41.1 50.2 56.4 32.1 15.1 9.1 5.7 6.2 18.9 16.3
662 China
Hinggan, China
24.1 32.5 41.2 35.1 24.3 21.2 15 14.3 15.1 13.6 18.4 23.7 35.1 19.6 18
663 Italy
Besate, Italy
24.1 - 52.5 27 22.8 13.7 20.6 20.6 15.5 18.9 23.3 26.1 39.5 - -
664 Thailand
Samut Sakhon, Thailand
24.1 102.9 21.1 22.8 18.1 21 9.3 10.4 6.8 23.6 28.2 41.9 44.2 39.8 26.9
665 China
Huangshan, China
24 43.1 21.9 31.1 22.3 23.2 13.8 10.2 14.7 20.9 24.8 26.5 33.9 23.4 25.2
666 China
Zhuhai, China
24 44.4 20.3 24.2 16.8 15.5 9 12.8 14.9 24 30.5 37.4 37 26.1 28.8
667 Mexico
Minatitlan, Mexico
24 - 18.4 19 19.5 40.5 23.7 23.7 24.7 21.5 18.5 22.8 25.5 - -
668 Serbia
Beocin, Serbia
24 - 43.5 24 21.8 9.6 - - 12.5 13.4 36.4 19.4 41.7 - -
669 South Korea
Ansan, South Korea
24 40.7 35.3 43.3 17.7 24.7 16.4 16.9 16.8 12.7 15.5 20.1 26.7 24.2 26.2
670 China
Putian, China
23.9 28.7 27.6 30.4 31.4 23.8 18.1 18.5 16.1 16.9 26.8 20.5 27.6 25.6 26.2
671 Mexico
Alvaro Obregon, Mexico
23.9 15.8 13.5 22.5 29.6 38.5 17.9 25.5 21.7 22.1 20 26.5 32 - -
672 Thailand
Nakhon Sawan, Thailand
23.9 53.4 43.3 50.6 32.1 20.2 9.7 10 8.4 16.1 19 21 28.4 - -
673 China
Xiamen, China
23.8 29.4 25.8 30 26.4 24 16.3 15.6 16.5 18.5 28.2 23.9 30.7 23.5 25.8
674 China
Wendeng, China
23.8 40.2 41.1 29.5 17.5 19.6 16 19.8 15.6 18.3 25 17.5 28.4 23.5 26.4
675 Nepal
Patan, Nepal
23.8 17.3 29.6 22.6 18.9 23 20.2 11.3 7.2 7.1 22.3 44.1 49.8 - -
676 South Korea
Gwangju, South Korea
23.8 32.5 34.3 39.8 21.2 24.2 24.9 17 17.1 14.7 17.2 20.3 22.9 23.8 24
677 South Korea
Seongnam, South Korea
23.8 38.4 34.6 43.6 16.8 25.4 17.6 17.7 15.6 11.7 14.3 20 28.8 23.8 25.6
678 Turkey
Corum, Turkey
23.8 49.4 25.6 18 16.2 19 16.7 13.2 19.8 23.8 34 30.7 23.7 24.8 -
679 China
Puer, China
23.7 14 28.9 51.1 55.2 35.4 12.7 8.7 10.1 14.1 13.8 17.1 22.7 18.3 -
680 Iran
Sejzi, Iran
23.7 18.9 17 24.7 19.6 23.4 38.2 26.2 20.8 24.9 21.1 25.6 24.2 22.3 -
681 Italy
Casarotti, Italy
23.7 46.3 45.7 24.4 15.2 10.2 21 19 17.4 21.5 18.9 14.3 38.2 19 23.4
682 Peru
Lima, Peru
23.7 13.9 12.1 15.4 19.4 29.1 31.3 28.7 29.7 34.2 29.5 22 19.8 28 27.7
683 China
Ningde, China
23.6 32.5 26.7 29.5 29.7 24.7 19.7 11.7 13 17.3 25.1 23.5 29.4 24.4 26.3
684 China
Sanming, China
23.6 26.7 17.9 26.1 25.7 22.8 17.6 15.8 18.8 22.5 30.2 29 28.6 24.7 25.9
685 Kazakhstan
Nur-Sultan, Kazakhstan
23.6 59.5 51.6 30.6 29 16.1 8.6 14.6 9.3 12.4 12.5 20 22.4 - -
686 Thailand
Kamphaeng Phet, Thailand
23.6 - - - 49.3 20.8 7.9 7.8 7.1 17.6 18.7 25.5 60.5 - -
687 Chile
Puente Alto, Chile
23.5 15.9 15.8 16 29.8 28.9 34.2 45.3 29.7 17.1 15.2 14.2 13.4 - -
688 Kosovo
Pristina, Kosovo
23.5 70.5 42 25.9 18.1 9.6 12.4 11 11.8 10.7 20.2 15.9 35.1 30.4 31.7
689 Macao SAR
Macao, Macao SAR
23.5 41.7 20.9 23.5 16.7 16.2 9.5 13 15.6 23.2 29.2 33.9 35.5 21.2 -
690 Poland
Kedzierzyn-Kozle, Poland
23.5 48.2 43.3 25.5 29.8 14.9 13.4 12 13.8 12.1 21.5 20.2 22 29 29.8
691 South Korea
Nonsan, South Korea
23.5 37.7 30.2 38.8 16.4 22.3 20.2 16.3 16.8 13.7 15.8 19.9 20.8 - -
692 Turkey
Kutahya, Turkey
23.5 32.1 24 14 14 10.6 8.4 15.9 13.7 16.4 25.6 55.4 43.8 - -
693 Turkey
Sakarya, Turkey
23.5 31.1 27.5 23.7 22.5 16.8 12.7 11.2 13.6 15.7 29.2 41.5 36.8 - -
694 China
Shenzhen, China
23.4 35.6 18.7 21.2 18.7 15.8 9.6 13.7 16.4 23.8 32.6 36.1 37.4 24.2 27.1
695 China
Liupanshui, China
23.4 30.8 31.8 30.8 24.5 18.4 12.9 13.7 18.2 18.8 19.1 24.9 36.4 32.3 38.9
696 China
Ordos, China
23.4 28.8 30.4 24.4 21.9 25.7 20.2 18.6 14.6 20.2 21.9 30.3 24.1 25.7 25.3
697 China
Karamay, China
23.4 50.9 39.7 34.7 9.5 10.5 7.7 12.4 10.6 11 15 19.1 58.7 25.2 31.3
698 Italy
Modena, Italy
23.4 44 48.1 25.1 16.9 8.6 13.1 14.3 13.7 14 28.9 20 37 25.2 22.1
699 Poland
Kurdwanow, Poland
23.4 39.7 41.1 24.3 26.4 15.2 15.4 14.3 13.5 14.2 22.6 24.5 31.4 - -
700 South Korea
Chilgok, South Korea
23.4 36.5 32.8 31.3 16 20.2 17.2 16.6 15.5 12.9 15.8 24 28.2 - -

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