SmogRank / World / Sweden / September 2026

Most polluted cities in Sweden, September 2026

1 city in Sweden ranked by their average PM2.5 over the 30 days. Worst: Örebro at 3.6 µg/m³, #2,516 of 2,646 cities in the world. A city needs measurements on 70% of the days to be ranked.

  1. 1ÖrebroÖrebro
    7
Good0–50
Satisfactory51–100
Moderate101–200
Poor201–300
Very poor301–400
Severe401+

India's National Air Quality Index (CPCB), PM2.5 sub-index. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, September 2026 · Sweden now

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SmogRank, most polluted cities in Sweden, PM2.5, September 2026, smogrank.com/se/history/2026-09 (accessed 2 Oct 2026).

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