SmogRank / Countries / Sweden / May 2026

Most polluted cities in Sweden, May 2026

9 cities in Sweden ranked by their average PM2.5 over the 31 days. Worst: Gothenburg at 6.1 µg/m³, #1,490 of 2,243 cities in the world. Cleanest: Örebro at 3.6. A city needs measurements on 70% of the days to be ranked.

  1. 1GothenburgVästra Götaland
    6.1
  2. 2SundsvallVästernorrland
    4.8
  3. 3KalmarKalmar
    4.4
  4. 4ÖstersundJämtland
    4.1
  5. 5UmeåVästerbotten
    4.0
  6. 5StockholmStockholm
    4.0
  7. 7KöpingVästmanland
    3.9
  8. 8SkellefteåVästerbotten
    3.6
  9. 8ÖrebroÖrebro
    3.6
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, May 2026 · Sweden now

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SmogRank, most polluted cities in Sweden, PM2.5, May 2026, smogrank.com/se/history/2026-05 (accessed 2 Oct 2026).

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