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 |  Sodertalje, Sweden | 10 | 5.9 | 8.2 | 26.1 | 15.5 | 9.4 | 7.2 | 5.2 | 7.1 | 5 | 5.1 | 5.9 | 15.7 | 7.8 | 7.6 | -- | -- | -- |
| 2 | Moelnlycke, Sweden | 7.9 | 10.3 | 7.4 | 17.7 | 4.7 | 5.6 | 7 | 4.3 | 5.4 | 3.4 | 8.4 | 8.2 | 10.4 | 7.9 | -- | -- | -- | -- |
| 3 | Kungsbacka, Sweden | 7.1 | 6.1 | 4.3 | 15.1 | 5 | 5.5 | 8.1 | 4.8 | 6.4 | 3.3 | 6.9 | 7.4 | 11.2 | 9.3 | -- | -- | -- | -- |
| 4 | Visby, Sweden | 6.9 | 5.9 | 8 | 18.9 | 8 | 4.5 | 6.2 | 3.9 | 5.4 | 3.4 | 6.7 | 5.6 | 6.2 | 7.3 | -- | -- | -- | -- |
| 5 | Växjö, Sweden | 6.8 | 6.6 | 6 | 12.8 | 6.9 | 6.7 | 6.1 | 4.6 | 11.5 | 3.7 | 6.7 | 6.4 | 6.3 | 5.9 | -- | 8 | 9.1 | -- |
| 6 | Grondal, Sweden | 6.8 | 4.9 | 5.7 | 10.8 | 12.4 | 8.5 | 5.8 | 3.9 | 6 | 4.5 | 3.9 | 4 | 16 | 5.4 | -- | -- | -- | -- |
| 7 | Stockholm, Sweden | 6.8 | 5.8 | 7.2 | 17 | 8.2 | 7.3 | 5.9 | 3.9 | 5.6 | 3.7 | 5.4 | 5 | 6.1 | 6 | 5.1 | 6.1 | 6.6 | 4.4 |
| 8 | Saro, Sweden | 6.7 | 5.9 | 3.6 | 14.9 | 4.8 | 4.9 | 8.4 | 5 | 6.8 | 3.4 | 6.4 | 6.4 | 8.8 | 8.4 | 7.9 | 9.5 | -- | -- |
| 9 | Solna, Sweden | 6.7 | 4.2 | 4.9 | 17.8 | 11.6 | 6.6 | 4.1 | 3 | 3.4 | 2.4 | 3.4 | -- | 2.9 | 6 | 6.8 | 6.3 | -- | -- |
| 10 | Boo, Sweden | 6.3 | 4.4 | 3.9 | 12.2 | 2.9 | 3.8 | 8.3 | 4.6 | 8 | 3.5 | 7.4 | 6.3 | 9.8 | 8.4 | -- | -- | -- | -- |
| 11 | Sollentuna, Sweden | 5.8 | 4.6 | 5.4 | 16.7 | 6.4 | 5.1 | 4.9 | 3 | 6 | 2.6 | 4.4 | 4.4 | 5.5 | 5.2 | 5.1 | 5.6 | -- | -- |
| 12 | Enkoeping, Sweden | 5.8 | 4.1 | 3.2 | 13.8 | 1.9 | 3.3 | 8 | 4.9 | 7.6 | 3.2 | 6.1 | 4.9 | 7.6 | 8.8 | 8 | 8.8 | -- | -- |
| 13 | Haggvik, Sweden | 5.7 | 3.7 | 4.2 | 11.9 | 3.7 | 3.7 | 4.9 | 3.1 | 12.8 | 3.4 | 7.3 | 4.4 | 5.5 | 5.2 | -- | 5.6 | -- | -- |
| 14 | Sundsvall, Sweden | 5.7 | 3.5 | 3.4 | 11.5 | 6.3 | 4.9 | 7.5 | 3.4 | 3.7 | 7.9 | 5.6 | 13 | 3.9 | 5.2 | 5.4 | 6.4 | 6.3 | 5.4 |
| 15 | Linköping, Sweden | 5.6 | 5.1 | 4.7 | 15 | 3.5 | 4.1 | 5.9 | 4.2 | 6.2 | 3.1 | 4.9 | 4.7 | 5.8 | 7.1 | -- | -- | -- | -- |
| 16 | Goeteborg, Sweden | 5.6 | 6.2 | 5.8 | 12.9 | 4.5 | 5.2 | 5 | 3.9 | 4.5 | 3.1 | 5.5 | 4.8 | 4.9 | 5.9 | 6 | -- | -- | -- |
| 17 | Örnsköldsvik, Sweden | 5.4 | 3.2 | 3.8 | 7.6 | 10.3 | 8.9 | 6 | 3.5 | 3.9 | 3.3 | 5.9 | 3.4 | 4.9 | 3.5 | -- | -- | -- | -- |
| 18 | Vasastan, Sweden | 5.3 | 4.4 | 5.6 | 12 | 4.1 | 4.4 | 5.4 | 3.4 | 5.2 | 2.9 | -- | -- | -- | 5.9 | -- | -- | -- | -- |
| 19 | Norrköping, Sweden | 4.7 | 4.1 | 3.9 | 9.8 | 3.6 | 4.1 | 5.6 | 3.8 | 5.6 | 3.1 | 4.2 | 3.9 | 5.1 | 6.3 | -- | -- | -- | -- |
| 20 | Lilla Essingen, Sweden | 4.6 | 2.8 | 2.3 | 11.5 | 2.1 | 3.6 | 7.4 | 4.3 | 7.2 | 2.2 | 4.3 | 2.2 | 1.8 | 7.8 | 7.1 | 8.1 | -- | -- |
| 21 | Uppsala, Sweden | 4.6 | 3.4 | 3.6 | 9.2 | 3.9 | 4.6 | 5.4 | 3.2 | 5 | 3.6 | 4.7 | 4.1 | 4.7 | 5 | 4.4 | 5.5 | 6.7 | 4.6 |
| 22 | Rasunda, Sweden | 4.4 | 3.4 | 3.6 | 9.2 | 4.1 | 3.3 | 5.1 | 3.3 | 5.1 | 2.7 | 4.5 | -- | -- | 5 | -- | -- | -- | -- |
| 23 | Norr Malma, Sweden | 3.6 | 3 | 3.3 | 6.1 | 2.1 | 3.5 | 4.8 | 2.9 | 4.6 | 2.7 | 3.8 | 2.8 | 3.8 | 5 | 4.3 | 4.9 | 5 | -- |
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