SmogRank / World / Iceland / November 2025

Most polluted cities in Iceland, November 2025

3 cities in Iceland ranked by their average PM2.5 over the 30 days. Worst: Hafnarfjörður at 9.7 µg/m³, #1,009 of 2,370 cities in the world. Cleanest: Kópavogur at 1.8. A city needs measurements on 70% of the days to be ranked.

← Hafnarfjörður 9.7
Every city in Iceland ranked for November 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1HafnarfjörðurCapital Region
    52
  2. 2ReykjavíkCapital Region
    17
  3. 3KópavogurCapital Region
    10
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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, November 2025 · Iceland now

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SmogRank, most polluted cities in Iceland, PM2.5, November 2025, smogrank.com/is/history/2025-11 (accessed 2 Oct 2026).

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