SmogRank / Countries / Iceland / 2026

Most polluted cities in Iceland, 2026

2 cities in Iceland ranked by their average PM2.5 so far (273 of 365 days); 0 above the WHO annual guideline (5.0 µg/m³). Worst: Reykjavík at 3.4 µg/m³, #2,165 of 2,181 cities in the world. Cleanest: Kópavogur at 2.4. A city needs measurements on 70% of the days to be ranked.

  1. 1ReykjavíkCapital Region
    3.40.7×
  2. 2KópavogurCapital Region
    2.40.5×
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, 2026 · Iceland now