SmogRank / World / Iceland / September 2026

Most polluted cities in Iceland, September 2026

2 cities in Iceland ranked by their average PM2.5 over the 30 days. Worst: Reykjavík at 2.2 µg/m³, #2,634 of 2,646 cities in the world. Cleanest: Kópavogur at 1.7. A city needs measurements on 70% of the days to be ranked.

  1. 1ReykjavíkCapital Region
    1
  2. 2KópavogurCapital Region
    1
Low1–3
Moderate4–6
High7–9
Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. 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 · Iceland now

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

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