SmogRank / Countries / Iceland / May 2026

Most polluted cities in Iceland, May 2026

2 cities in Iceland ranked by their average PM2.5 over the 31 days. Worst: Reykjavík at 3.7 µg/m³, #2,127 of 2,243 cities in the world. Cleanest: Kópavogur at 2.9. A city needs measurements on 70% of the days to be ranked.

  1. 1ReykjavíkCapital Region
    3.7
  2. 2KópavogurCapital Region
    2.9
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 · Iceland now