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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
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 101 |  Hnevosice, Czech Republic | 18.3 | -- | -- | 13.3 | 25.9 | 19.4 | 15.9 | 12.2 | 13.6 | 17.8 | 14.4 | 18 | 28.4 | -- | -- | -- | -- | -- | -- |
| 102 |  Prokuplje, Serbia | 18.3 | 21.9 | 29.7 | 19.8 | 14.1 | 13 | 16.1 | 16.3 | 16.6 | 16.7 | 14.2 | 15 | 26.6 | 44.6 | -- | -- | -- | -- | -- |
| 103 |  Zabierzow, Poland | 18.2 | 26.6 | 40.4 | 25.3 | 16.7 | 12.6 | 11 | 10.4 | 11.3 | 12.1 | 15.4 | 18.1 | 42.4 | 21.5 | 21.2 | -- | -- | -- | -- |
| 104 |  Germasogeia, Cyprus | 18.1 | 25.7 | 17.1 | 15.8 | 13.2 | 22.9 | 17.4 | 17.1 | 20.6 | 15.4 | 17.5 | 20.7 | 15 | -- | -- | -- | -- | -- | -- |
| 105 |  Ilinden, North Macedonia | 18.1 | 28.5 | 32.5 | 17.4 | 10.5 | 6.6 | 7.2 | 8.8 | 15.6 | 11.7 | 15.5 | 17.6 | 44.2 | 15.5 | 13.3 | -- | -- | -- | -- |
| 106 |  Suceava, Romania | 18.1 | 18.2 | 22.8 | 22.3 | 14.7 | 14 | 13.6 | 11.5 | 19.8 | 17.3 | 14.3 | 16.5 | 28.2 | -- | -- | -- | -- | -- | -- |
| 107 |  Palaio Faliro, Greece | 18 | 27.4 | 28.9 | 15.3 | 10.9 | 13 | 15 | 22.7 | 22.8 | 22.7 | 16.4 | 8.1 | 17.5 | 15 | 18.5 | -- | -- | -- | -- |
| 108 | Peraia, Greece | 18 | 25 | 31.6 | 19.3 | 16.7 | 16.7 | 15.8 | 17 | 16 | 14.9 | 12 | 10.5 | 22.8 | 21.3 | 20.6 | -- | -- | -- | -- |
| 109 | Włocławek, Poland | 18 | 20.6 | 24.8 | 24.1 | 15.9 | 15.1 | 12.3 | 9.4 | 10.2 | 13.2 | 17 | 24.7 | 28.8 | -- | -- | -- | -- | -- | -- |
| 110 | Agrinio, Greece | 17.9 | 32.8 | 36.6 | 20 | 13.9 | 11.1 | 12.3 | 14.8 | 16 | 11.1 | 10.6 | 10 | 25.7 | 21 | 18.6 | -- | -- | -- | -- |
| 111 | Dębica, Poland | 17.9 | 16.4 | 20.1 | 20.9 | 14.7 | 11 | 10.1 | 10.1 | 15.9 | 20.3 | 16.8 | 22.2 | 36.3 | 14.7 | 21.7 | 22.9 | 25.5 | -- | -- |
| 112 | Glina, Romania | 17.9 | 23.8 | 31.2 | 23.7 | 14.8 | 10.4 | 11.4 | 14.2 | 12.2 | 12.1 | 17.7 | 16 | 28.6 | 29.8 | -- | -- | -- | -- | -- |
| 113 | Mogosoaia, Romania | 17.7 | 25.3 | 30.4 | 23.9 | 18.6 | 11.8 | 9.9 | 12.3 | 12.9 | 9.1 | 13 | 12.6 | 29.4 | 19.1 | -- | -- | -- | -- | -- |
| 114 | Sopot, Serbia | 17.7 | -- | -- | 18.7 | 20.9 | 13.6 | 12.8 | 12.5 | 13.3 | 13.3 | 15.9 | 20.5 | 38.2 | -- | -- | -- | -- | -- | -- |
| 115 | Surcin, Serbia | 17.7 | -- | -- | 20.3 | 21.4 | 14.3 | 13.5 | 13.5 | 14.5 | 14 | 14.4 | 16.1 | 38.8 | -- | -- | -- | -- | -- | -- |
| 116 |  Torbole Casaglia, Italy | 17.6 | 28.3 | 38.1 | 21.4 | 10.5 | 9.9 | 10.4 | 9 | 9.2 | 13 | 16.5 | 16.7 | 29.5 | 28.5 | -- | -- | -- | -- | -- |
| 117 | Vracar, Serbia | 17.6 | -- | -- | 16.7 | 19 | 14 | 13.6 | 13 | 14 | 14.5 | 16 | 17.5 | 37.6 | -- | -- | -- | -- | -- | -- |
| 118 |  Nevesinje, Bosnia Herzegovina | 17.5 | 31.9 | 26.6 | 24.8 | 16.5 | 12.4 | 11.6 | 10.7 | 16.6 | 10.4 | 11.9 | 8.7 | 29.1 | 19.2 | -- | -- | -- | -- | -- |
| 119 | Wilcze, Poland | 17.5 | 24.2 | 24.9 | 23.4 | 18.7 | 12.4 | 13.6 | 9.4 | 11.2 | 15.5 | 13.4 | 19.6 | 24.3 | -- | -- | -- | -- | -- | -- |
| 120 | Lask, Poland | 17.5 | 21.9 | 23.7 | 25.5 | 19.3 | 11.7 | 12 | 8.8 | 9.7 | 14 | 16.9 | 20.9 | 27 | 19 | 23.9 | -- | -- | -- | -- |
| 121 | Voluntari, Romania | 17.5 | 24.7 | 30.5 | 22.8 | 15.4 | 9.7 | 9.3 | 11.1 | 11.1 | 10.5 | 16.8 | 17.2 | 33.6 | 30.1 | -- | -- | -- | -- | -- |
| 122 | Novi Sad, Serbia | 17.5 | 28.4 | 32.1 | 18.5 | 16.8 | 12 | 11.3 | 10.5 | 11.8 | 11.5 | 12.5 | 13.4 | 31.4 | 22.4 | 24 | 22.2 | 26.9 | -- | -- |
| 123 | Karviná, Czech Republic | 17.4 | 17.8 | 23.7 | 20.7 | 25.5 | 16.8 | 15.5 | 12 | 13 | 15.4 | 12.1 | 10.9 | 25.4 | 19.2 | 33 | 18.3 | 22.1 | 27.1 | 24.6 |
| 124 | Krakow, Poland | 17.3 | 20.9 | 25.8 | 22.6 | 17.8 | 13.2 | 12.7 | 10.3 | 12 | 14.5 | 14.3 | 15.3 | 28.2 | 20 | 24.7 | 21.7 | 24.6 | 28.9 | 30.2 |
| 125 | Bielsko-Biala, Poland | 17.2 | 21 | 29.2 | 21.7 | 20.2 | 15.4 | 12.3 | 10.5 | 10.3 | 12.8 | 12.9 | 13.6 | 27 | 21.4 | 26.4 | 24.7 | 27 | -- | -- |
| 126 |  Krompachy, Slovakia | 17.2 | 22.5 | 35.1 | 20.3 | 12.8 | 12.3 | 12 | 12.8 | 12.4 | 10 | 10.9 | 10.4 | 36.8 | 13.2 | 19.3 | 16.4 | 18.1 | 18.9 | 20.7 |
| 127 |  Novo Mesto, Slovenia | 17.2 | 30.4 | 42.3 | 21.5 | 12.7 | 11.3 | 9.6 | 7.9 | 10 | 9.6 | 10.8 | 17.4 | 25.6 | 17.6 | -- | -- | -- | -- | -- |
| 128 | Chitila, Romania | 17.1 | 25.8 | 32.9 | 22.8 | 15.2 | 9.2 | 8.7 | 10.1 | 9.8 | 8.9 | 12.5 | 12.7 | 39.8 | 27.7 | -- | -- | -- | -- | -- |
| 129 | Chalandri, Greece | 17 | 27.7 | 29.3 | 18.3 | 11.9 | 13.2 | 14.2 | 17.6 | 13.6 | 13.8 | 10.4 | 8.9 | -- | -- | -- | -- | -- | -- | -- |
| 130 | Vittuone, Italy | 17 | -- | -- | 11.9 | 14.2 | 12.9 | 15.1 | 14.2 | 12.9 | 18.8 | 25.7 | 16 | 22.5 | -- | -- | -- | -- | -- | -- |
| 131 | Peristeri, Greece | 16.9 | 21.8 | 25 | 16.7 | 14.2 | 15.3 | 16.1 | 19.2 | 18 | 15.5 | 12.8 | 7.9 | 20.2 | 20.2 | 21.4 | -- | -- | -- | -- |
| 132 | Demenika, Greece | 16.9 | 31 | 29.7 | 20.6 | 13 | 13.3 | 13.7 | 15.9 | 16.4 | 11.5 | 10.9 | 7.8 | 19.2 | -- | -- | -- | -- | -- | -- |
| 133 | Konin, Poland | 16.9 | 18 | 22.7 | 17.2 | 18 | 15.9 | 14.7 | 12 | 13 | 15.8 | 14.2 | 15 | 36.4 | 15.5 | 14.9 | 14.2 | -- | -- | -- |
| 134 | Tarnow, Poland | 16.9 | 17.8 | 21.5 | 21.1 | 17.6 | 10.5 | 14.2 | 11 | 15.7 | 16.2 | 15.4 | 17.2 | 25.2 | 17.4 | 21.4 | 20.3 | 22.5 | 23.3 | 27.4 |
| 135 | Murska Sobota, Slovenia | 16.9 | 24 | 31.1 | 19.4 | 10 | 9.8 | 11.3 | 8.3 | 9.4 | 10.9 | 11.1 | 20.5 | 37.9 | 20.1 | 20.3 | -- | -- | -- | -- |
| 136 | Ano Liosia, Greece | 16.8 | 27.9 | 26.9 | 17.1 | 13.4 | 13.3 | 14.1 | 16.5 | 18 | 13.1 | 11.7 | 9.4 | 21.1 | 17.8 | 19.2 | 17.9 | 16.7 | -- | -- |
| 137 | Settimo Milanese, Italy | 16.8 | -- | -- | -- | 13.2 | 11.6 | 13.7 | 14 | 11.8 | 18.7 | 26.9 | 17 | 23.6 | -- | -- | -- | -- | -- | -- |
| 138 | Popesti-Leordeni, Romania | 16.8 | 22.7 | 26.9 | 22.6 | 15.7 | 12.1 | 11.5 | 13 | 12.5 | 12.2 | 15.3 | 13.2 | 24 | 19.7 | -- | -- | -- | -- | -- |
| 139 |  Tirana, Albania | 16.7 | 26.3 | 30.7 | 13.6 | 12.2 | 13.6 | 15.1 | 14.8 | 15 | 12 | 15 | 9.4 | 19.2 | 14.5 | 12.5 | 16 | -- | -- | -- |
| 140 | Athens, Greece | 16.7 | 26.9 | 26.7 | 16.8 | 13.4 | 15.8 | 15.8 | 18.2 | 14.7 | 14.3 | 14 | 7.9 | 16.7 | 19.2 | 19.2 | 17.7 | 22.3 | -- | -- |
| 141 | Thermi, Greece | 16.7 | 24.9 | 26.6 | 16.7 | 14.2 | 14.8 | 13.9 | 15.8 | 15 | 13.7 | 11.3 | 10 | 23.9 | 20.9 | 20 | 23.9 | 21.3 | -- | -- |
| 142 | Buftea, Romania | 16.7 | 23.2 | 28.6 | 21.7 | 18.7 | 11.3 | 10.5 | 12.9 | 13.1 | 9.5 | 11.6 | 13.4 | 26.3 | 20.6 | -- | -- | -- | -- | -- |
| 143 | Radom, Poland | 16.6 | 20.6 | 21.9 | 20.9 | 16.1 | 11.5 | 12.5 | 8.9 | 10.9 | 14.5 | 15.4 | 18.1 | 21.7 | 14.8 | 19.6 | 19.5 | 18.7 | 27.1 | 25.9 |
| 144 | Starachowice, Poland | 16.6 | 21.8 | 25.3 | 28.7 | 14.7 | 11.3 | 11.1 | 9.5 | 10.2 | 13.8 | 14.3 | 19.2 | 22.5 | 17.9 | 21.5 | 18 | 19.1 | -- | -- |
| 145 | Rychvald, Czech Republic | 16.5 | 18.4 | 23 | 19.3 | 19.9 | 14.7 | 13.1 | 11.4 | 12.1 | 14.4 | 13.1 | 13 | 24.2 | 19.7 | 27.1 | -- | 17.1 | -- | -- |
| 146 | Pino Torinese, Italy | 16.5 | 25.5 | 27.8 | 19.7 | 15 | 10 | 12.2 | 10.6 | 12.9 | 12.1 | 16.3 | 13.4 | 21.2 | 16.9 | -- | -- | -- | -- | -- |
| 147 | Žarnovica, Slovakia | 16.5 | 27.2 | 29.7 | 22.8 | 14 | 11.6 | 11.5 | 11.4 | 11.4 | 11.3 | 11 | -- | -- | 19.6 | 19.3 | -- | -- | -- | -- |
| 148 |  Mali Dmytrovychi, Ukraine | 16.5 | 26.2 | 22.9 | 21.9 | 14.8 | 11.2 | 12.5 | 11.4 | 14.2 | 16 | 11.7 | 15 | 24.3 | -- | -- | -- | -- | -- | -- |
| 149 |  Plovdiv, Bulgaria | 16.4 | 23.2 | 25.7 | 16.6 | 11.3 | 12.2 | 13.2 | 14.6 | 12.9 | 13.9 | 19.1 | 14 | 21.7 | 24.6 | 22 | -- | -- | -- | -- |
| 150 | Piraeus, Greece | 16.4 | 26.6 | 31.8 | 16.7 | 12.6 | 15 | 15.7 | 18.5 | 14.5 | 13.6 | 11.9 | 6.6 | 14.4 | 2.2 | 15.5 | 16 | 18.2 | -- | -- |
1-50 of 1902
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