SmogRank / Countries / Iceland / August 2026
Most polluted cities in Iceland, August 2026
2 cities in Iceland ranked by their average PM2.5 over the 31 days. Worst: Reykjavík at 2.1 µg/m³, #2,306 of 2,312 cities in the world. Cleanest: Kópavogur at 1.6. A city needs measurements on 70% of the days to be ranked.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+