2017-2023
2023
World Air Quality Report
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
701 | Talghar, Kazakhstan | 28.1 | -- | 60.8 | 42.5 | 31.2 | 18 | 16.3 | 12.7 | 12 | 18.9 | 26 | 36.3 | 50.9 | -- | -- | -- | -- | -- | -- |
702 | Uzice, Serbia | 28.1 | 64.1 | 38.5 | 31.6 | 12.4 | 17.9 | 15.9 | 14.3 | 15.1 | 15.9 | 20.9 | 29.6 | 57.5 | 40 | 32.1 | 31.7 | -- | -- | -- |
703 | Springs, South Africa | 28.1 | 14.9 | 10.9 | 16.5 | 30.7 | 28.8 | 57.2 | 51.3 | 40.5 | 35.1 | 26.3 | 17.5 | 11.3 | -- | -- | -- | -- | -- | -- |
704 | Bokhtar, Tajikistan | 28.1 | 65.4 | 31.4 | 14.3 | 12.5 | 15.2 | 22.3 | 31.4 | 40 | 39.7 | 39.8 | 3.7 | -- | -- | -- | -- | -- | -- | -- |
705 | Kestel, Turkey | 28.1 | 31.2 | 27.7 | 24.3 | 20.8 | 26.2 | 22.6 | 42.1 | 40.8 | 20.3 | 28.5 | 21.3 | 31.2 | 31.2 | 22.9 | 28 | -- | -- | -- |
706 | Guigang, China | 28 | 45.8 | 37.1 | 41.4 | 31 | 24 | 15.6 | 17.4 | 13.4 | 16.2 | 21.7 | 34.7 | 37.1 | 27 | 29.9 | 28.5 | 33.9 | 38.7 | 41.1 |
707 | Nantong, China | 28 | 43.5 | 29.7 | 36 | 32.3 | 23.9 | 19.5 | 13.6 | 11.6 | 13.9 | 23.9 | 34.2 | 52.5 | 25.4 | 30.6 | 33.5 | 37.7 | 40.5 | 38.5 |
708 | Gulbarga, India | 28 | 52.5 | 76.4 | 43.3 | 35.5 | 8.7 | 17.6 | 11 | 15.5 | 22 | 21.8 | 19.5 | 16.8 | -- | -- | -- | -- | -- | -- |
709 | Honnali, India | 28 | 36.6 | 46.7 | 35.9 | 28.6 | 20.2 | 15.5 | 9.7 | 13 | 10.2 | 41.7 | 37.4 | 40.2 | 26 | 15.9 | -- | -- | -- | -- |
710 | Chennai, India | 28 | 46.1 | 35.5 | 24.7 | 19.5 | 26.9 | 24.6 | 20.4 | 23.7 | 17.1 | 28.4 | 28.9 | 40.1 | 25.3 | 25.2 | 26.5 | 34.6 | 43.2 | 39.8 |
711 | Petaling Jaya, Malaysia | 28 | 21.6 | 20.4 | 21.9 | 35.3 | 28.6 | 31.9 | 22.5 | 27.6 | 38.3 | 46.7 | 20 | 20.2 | 26.5 | 32.5 | 23.6 | 19.6 | -- | -- |
712 | Carabayllo, Peru | 28 | 33.1 | 25.9 | 27.4 | 25 | 31.2 | 31.3 | 30.4 | 29.2 | 28.9 | 25.2 | 23.7 | 27.4 | 37.6 | 27.6 | 18.6 | -- | -- | -- |
713 | Valjevo, Serbia | 28 | 52 | 50.6 | 35.8 | 30.3 | 17.8 | 15.9 | 14.4 | 15.3 | 14.6 | 16.9 | 29.6 | 52.3 | 31.8 | 34.7 | 41.5 | 37.9 | -- | -- |
714 | Bang Nam Chuet, Thailand | 28 | 40.4 | 43.6 | 41.6 | 45.9 | 23.5 | 12.2 | 12.1 | 13 | 10.5 | 28.6 | 33.1 | 35.1 | -- | -- | -- | -- | -- | -- |
715 | Bien Hoa, Vietnam | 28 | 26.3 | 34.3 | 34.1 | 27.7 | 33.5 | 26 | 23.5 | 23.9 | 23.6 | 28.8 | 29.3 | 24.4 | -- | -- | -- | -- | -- | -- |
716 | Mudanjiang, China | 27.9 | 49 | 37.1 | 33.5 | 42.8 | 18.2 | 13 | 9.9 | 8.4 | 13.5 | 26.1 | 37.4 | 45.3 | 22.9 | 28.4 | 29.6 | 31.7 | 28.6 | 34.7 |
717 | Jianguang, China | 27.9 | 50.1 | 40 | 35.3 | 25 | 25.3 | 18.3 | 12.1 | 18.5 | 18.1 | 28.6 | 32.1 | 30.9 | 27.3 | 27.9 | -- | -- | -- | -- |
718 | Lushun, China | 27.9 | 35.1 | 45.5 | 44.9 | 30.7 | 26.6 | 17.4 | 15.8 | 16.9 | 17.6 | 23.7 | 24.5 | 33.8 | -- | -- | -- | -- | -- | -- |
719 | Nong Han, Thailand | 27.9 | 21.1 | 41.1 | 73.9 | 101.1 | 26.2 | 9 | 5.3 | 10.4 | 6.2 | 7.4 | 14.8 | 20.2 | -- | -- | -- | -- | -- | -- |
720 | Song Khanong, Thailand | 27.9 | 33.4 | 39.3 | 39.4 | 39.4 | -- | 15.4 | 17.5 | 19.8 | 16.2 | 24 | 29.5 | 36 | -- | -- | -- | -- | -- | -- |
721 | Elbistan, Turkey | 27.8 | 65.6 | 69.5 | 25.4 | 13.5 | 10.6 | 7.1 | 14.7 | 21.2 | 19.9 | 26.1 | 27.8 | 50.2 | 23.6 | 29.3 | -- | -- | -- | -- |
722 | Guankou, China | 27.7 | 53.5 | 39.6 | 33.9 | 25.8 | 25.6 | 20.3 | 15 | 20.3 | 20.2 | 30.4 | 34 | 37.8 | 26 | 27.7 | -- | -- | -- | -- |
723 | Xiangxiang, China | 27.7 | 94.6 | 33.9 | 15.9 | 23 | 24.9 | 19.6 | 15.4 | 21.8 | 21.3 | 35.5 | 34.7 | 40.2 | 31.3 | 40.3 | -- | -- | -- | -- |
724 | Haidongdiqu, China | 27.7 | 43 | 39.5 | 35.3 | 40.3 | 26.8 | 18.3 | 15.6 | 16.1 | 17.7 | 19.8 | 28 | 33.5 | 26.3 | 28 | 30.8 | 38 | 41.4 | -- |
725 | Yanan, China | 27.7 | 45.9 | 47.4 | 37.8 | 41.5 | 20.4 | 14.8 | 14.8 | 15.3 | 16.4 | 18 | 24.8 | 37 | 26.8 | 28.7 | 29.5 | 31.3 | 35 | 39.2 |
726 | Samut Songkhram, Thailand | 27.7 | 46.9 | 48.9 | 42.8 | 44.5 | 23.1 | 11.4 | 10.4 | 12.6 | 9 | 20.3 | 27.3 | 36.8 | 23.2 | 24.4 | 25.8 | 26.3 | -- | -- |
727 | Davangere, India | 27.6 | 37.7 | 41.9 | 34.7 | 28.2 | 20 | 15.9 | 10 | 11.3 | 11.2 | 41.9 | 41 | 39.9 | 25.2 | 23.4 | -- | -- | -- | -- |
728 | Surabaya, Indonesia | 27.6 | 25.3 | 18.4 | 24.1 | 16.4 | 19.9 | 21.2 | 31.3 | 31.2 | 26.2 | 36.9 | 39.8 | 39.7 | 34.4 | 34.8 | 33.4 | 40.6 | -- | -- |
729 | Grimshaw, Canada | 27.5 | -- | -- | -- | -- | 53.1 | 27.4 | 38.9 | 34.7 | 55.6 | 9.5 | 11.1 | 5 | -- | -- | -- | -- | -- | -- |
730 | Nanzhou, China | 27.5 | 127.8 | 36.9 | 40.6 | 28 | 24.2 | 12.8 | 8 | 19.5 | 21 | 40.6 | 40.2 | 41.1 | 33.9 | 37.7 | -- | -- | -- | -- |
731 | Dehong, China | 27.5 | 35.4 | 45.1 | 52.9 | 53.4 | 31.1 | 16.7 | 13.6 | 10.3 | 15.1 | 14.4 | 19.9 | 25.5 | 23.5 | 25.7 | 19.1 | 23.2 | 33.7 | 29.7 |
732 | Semmandalam, India | 27.5 | 50 | 42.7 | 29.8 | 18.8 | 22.7 | 16.8 | 14 | 18.3 | 15.9 | 24 | 27.8 | 28.8 | 28.1 | -- | -- | -- | -- | -- |
733 | Putrajaya, Malaysia | 27.5 | 16.9 | 13.2 | 17.9 | 34 | 24.9 | 32.6 | 28.7 | 38.8 | 42.5 | 43.3 | 18.4 | 18 | 16 | 19.4 | 19.2 | 22.4 | -- | -- |
734 | Kut Sa, Thailand | 27.5 | 34.1 | 44.9 | 61.1 | 59.6 | 24.4 | 10 | 6.3 | 12.2 | 7 | 17 | 26.1 | 27.1 | -- | -- | -- | -- | -- | -- |
735 | Salaya, Thailand | 27.5 | 39.9 | 44.7 | 48.9 | 48.6 | 23.1 | 11.6 | 8.9 | 12.3 | 8.8 | 21.5 | 28.7 | 33.8 | 24.8 | -- | -- | -- | -- | -- |
736 | Victoria, Chile | 27.4 | 7.9 | 34.3 | 14.8 | 32.1 | 47.4 | 50.7 | 44.2 | 41 | 23.1 | 13.3 | 8.3 | 7 | 25.5 | 44.1 | -- | -- | -- | -- |
737 | Poyang, China | 27.4 | 45.5 | 35.4 | 32 | 23 | 23.8 | 20 | 13.7 | 19.4 | 21.1 | 32.6 | 31.5 | 29.3 | 24.1 | 20.4 | -- | -- | -- | -- |
738 | Belgaum, India | 27.4 | 72.5 | 47.8 | 27.7 | 25.7 | 18.4 | 17.4 | 12.6 | 14.6 | 9 | 20.7 | 22.6 | 35.7 | 45 | 28.1 | -- | -- | -- | -- |
739 | Puente Piedra, Peru | 27.4 | 25.6 | 23.2 | 23 | 22 | 39.8 | 36.2 | 30.7 | 30 | 27.8 | 28.4 | 22 | 29.5 | 32.9 | -- | -- | -- | -- | -- |
740 | Phetchabun, Thailand | 27.4 | 29 | 54.8 | 58.2 | 54.9 | -- | 13.2 | 12.9 | 16.2 | 10.1 | 13.4 | 22.8 | 24.6 | 20.2 | 25.8 | -- | -- | -- | -- |
741 | Shangluo, China | 27.3 | 51.7 | 50.5 | 30.9 | 42.4 | 19.8 | 15.7 | 13.9 | 15.2 | 15.3 | 18.2 | 24.4 | 34.8 | 27.1 | 24.9 | 28.2 | 32.3 | 36.3 | 35.5 |
742 | Yuyao, China | 27.3 | 36.7 | 29 | 32.2 | 29.1 | 23.3 | 20.3 | 14 | 16.5 | 16.9 | 25 | 33.5 | 51.7 | 25.5 | 23.5 | -- | -- | -- | -- |
743 | Sasolburg, South Africa | 27.3 | 17.4 | 12.8 | 19.9 | 22.1 | 23.3 | 45.5 | 44.8 | 40.9 | 34.9 | 26.4 | 20.9 | 17.7 | 26.6 | 27 | 25.6 | 31.4 | -- | -- |
744 | UEskuedar, Turkey | 27.3 | 31.6 | 24.5 | 32.3 | 25.9 | 29.1 | 23.7 | 26 | 27.4 | 24.5 | 23.5 | -- | -- | -- | -- | -- | -- | -- | -- |
745 | Kampala, Uganda | 27.3 | 46.4 | 38 | 24.3 | 15.1 | 25.9 | 28.2 | 41.8 | 28.7 | 34.3 | 24.1 | 15.9 | 20.2 | 39.6 | 27.6 | 26.1 | 29.1 | 40.8 | 54.3 |
746 | Temirtau, Kazakhstan | 27.2 | 32 | 41 | 27.4 | 20.3 | 24.3 | 19.4 | 14.2 | 15.6 | 30.1 | 31 | 34.9 | 36.8 | 28.1 | 26.3 | -- | -- | -- | -- |
747 | Hezhou, China | 27.1 | 44.5 | 33 | 37.2 | 26 | 23.8 | 17 | 17.6 | 15.7 | 17.5 | 25.9 | 32.3 | 35.3 | 25.7 | 26.4 | 27.6 | 30.7 | 36.9 | 42.1 |
748 | Yantai, China | 27.1 | 38 | 35.7 | 41.1 | 28.3 | 25.3 | 16.5 | 12.8 | 14.7 | 17.6 | 23.6 | 25.4 | 44.6 | 23.3 | 28 | 31.8 | 37.5 | 29.3 | 34.3 |
749 | Hallimala, India | 27.1 | 43.8 | 39.6 | 32.8 | 26.6 | 18.2 | 15.6 | 13.1 | 18.1 | 11.8 | 37.6 | 31.4 | 35.1 | 27.3 | -- | -- | -- | -- | -- |
750 | Songling, China | 27 | 27.9 | 40.1 | 39.6 | 28.2 | 27.5 | 19.4 | 18.8 | 18.2 | 22.8 | 30.1 | 22.5 | 27.7 | 24.8 | 31.7 | -- | -- | -- | -- |
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