SmogRank / Countries / Sweden / September 2025

Most polluted cities in Sweden, September 2025

16 cities in Sweden ranked by their average PM2.5 over the 30 days. Worst: Norrköping at 6.4 µg/m³, #1,466 of 2,439 cities in the world. Cleanest: Östersund at 3.2. A city needs measurements on 70% of the days to be ranked.

  1. 1NorrköpingÖstergötland
    6.4
  2. 2VisbyGotland
    5.9
  3. 2LinköpingÖstergötland
    5.9
  4. 4KalmarKalmar
    5.8
  5. 5UppsalaUppsala
    5.7
  6. 6NorrtäljeStockholm
    5.4
  7. 6GothenburgVästra Götaland
    5.4
  8. 8StockholmStockholm
    5.3
  9. 9SundsvallVästernorrland
    4.9
  10. 9MalmöSkåne
    4.9
  11. 11SödertäljeStockholm
    4.6
  12. 12Upplands VäsbyStockholm
    4.4
  13. 13SkellefteåVästerbotten
    4.2
  14. 14SollentunaStockholm
    4.1
  15. 15LundSkåne
    4.0
  16. 16ÖstersundJämtland
    3.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, September 2025 · Sweden now