2017-2022
World's most polluted cities
Most polluted city ranking based on annual average PM2.5 concentration (μg/m³)
2022
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 | 2022 | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Kazincbarcika, Hungary | 19.3 | 39.6 | 23.4 | 29.2 | 13.1 | 8.5 | 7.3 | 6.6 | 9.2 | 8.8 | 19.3 | 27 | 38.8 | 22.7 | 18.5 | -- | -- | -- |
| 2 | Sajoszentpeter, Hungary | 18 | 44.3 | 27.4 | 29.3 | 11.2 | 11.8 | 8.5 | 8 | 9 | 7.8 | 20.3 | 19.7 | 32.4 | 25.7 | 21.7 | -- | -- | -- |
| 3 | Miskolc, Hungary | 17.6 | 34.7 | 23.3 | 28.6 | 14.6 | 12.7 | 9.3 | 9.5 | 11.5 | 10.9 | 17.5 | 15.9 | 24.7 | 23.4 | 21 | 21.9 | 24.4 | -- |
| 4 | Inarcs, Hungary | 15.9 | 20.1 | 17.3 | 27.3 | 14.8 | 8.9 | 7.4 | 5.9 | 7.4 | 7.7 | 19 | 27.7 | 29.2 | 17.9 | -- | -- | -- | -- |
| 5 | Nyiregyhaza, Hungary | 15.4 | 22.6 | 19.2 | 22.9 | 12.3 | 14.6 | 11.8 | 13.2 | 13.1 | 10.5 | 13.3 | 22 | 19.5 | 17.8 | 15.7 | -- | -- | -- |
| 6 | Tatabanya, Hungary | 15.1 | 21.7 | 16.2 | 28.4 | 16 | 11.8 | 9.3 | 9 | 9.8 | 10.1 | 15.6 | -- | -- | 18.6 | 12.7 | -- | -- | -- |
| 7 | Debrecen, Hungary | 14.6 | 24.1 | 17.9 | 23.5 | 13.2 | 11.8 | 9.2 | 10.5 | 11.3 | 8.1 | 16 | 13.4 | 17.7 | 17.3 | 16.1 | -- | -- | -- |
| 8 | Szeged, Hungary | 14.1 | 18.9 | 13.5 | 17.8 | 11.3 | 10.5 | 9.4 | 9.8 | 7.2 | 8.1 | 14.4 | 19.7 | 21 | 26.4 | 16.2 | 15.7 | 17.3 | -- |
| 9 | Komarom, Hungary | 13.9 | 14.2 | 11.4 | 24.7 | 12 | 8.9 | 8.9 | 8.3 | 13.1 | 8.2 | 14.6 | 18.7 | 23.2 | 14.2 | -- | -- | -- | -- |
| 10 | K-Puszta, Hungary | 13.9 | 22 | 15.8 | 26.8 | 15.7 | 11.8 | 8.1 | 7.4 | 9.6 | 7.4 | 14.3 | 15.6 | 15.8 | 16 | 10.9 | -- | -- | -- |
| 11 | Gyor, Hungary | 13.9 | 13.5 | 11.6 | 22.7 | 12.9 | 8.4 | 10.4 | 6.3 | 9.2 | 9.3 | 16.8 | 20.5 | 23.6 | 14.6 | 12.5 | -- | -- | -- |
| 12 | Veszprem, Hungary | 13.4 | 15 | 11.7 | 21.3 | 13.9 | 10.3 | 9.2 | 9.1 | 10 | 7.5 | 13.8 | 17.2 | 21.2 | 12.5 | 12.6 | -- | -- | -- |
| 13 | Szolnok, Hungary | 13.4 | 21.4 | 14.6 | 19.5 | 12.8 | 12 | 9.6 | 9.6 | 10.5 | 8.8 | 14.3 | -- | -- | 15 | 15 | 17.2 | -- | -- |
| 14 | Esztergom, Hungary | 13.2 | 16.3 | 11.4 | 20 | 9.7 | 8.7 | 8.3 | 8.4 | 10.7 | 6.9 | 12.5 | 19.9 | 22.5 | 13.9 | 14.5 | -- | -- | -- |
| 15 | Dunaujvaros, Hungary | 13.2 | 16.2 | 13.5 | 21.2 | 12.8 | 9.3 | 9.9 | 9.6 | 9.8 | 8.9 | 14.2 | 16.6 | 20.7 | 13.9 | 13.3 | -- | -- | -- |
| 16 | Pecs, Hungary | 12.7 | 18 | 12.9 | 20.3 | 9.9 | 8.5 | 8 | 7.3 | 7.8 | 6 | 14.3 | 16.4 | 22.4 | 14 | 14.2 | 14.7 | 16.6 | -- |
| 17 | Hernadszurdok, Hungary | 12 | 21.3 | 15.1 | 17.5 | 9.9 | 10 | 8.5 | 8.4 | 10.6 | 7.5 | 11.3 | 7.9 | 17.8 | 14.5 | 13.1 | -- | -- | -- |
| 18 | Budapest, Hungary | 11.2 | 15 | 11.7 | 20 | 11.2 | 8.8 | 7.7 | 7 | 7.9 | 7.1 | 13.7 | 12.4 | 18.6 | 14.2 | 13.8 | 14 | 16.5 | -- |
| 19 | Sopron, Hungary | 10.9 | 14.4 | 9.6 | 19.4 | 8.6 | 7.9 | 9.1 | 8.4 | 8.5 | 6.9 | 16.1 | 5.6 | -- | 11.9 | 10.8 | -- | -- | -- |
| 20 | Ajka, Hungary | 10.2 | 16.4 | 11 | 21.3 | 11.6 | 9.2 | 6.6 | 6.5 | 7.3 | 6.5 | 12.8 | 15.7 | 12 | 12.4 | 12.1 | -- | -- | -- |
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