SmogRank / World / Sweden / December 2025
Most polluted cities in Sweden, December 2025
No city in Sweden had measurements on 70% of the days, so December 2025 has no board for Sweden.
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, December 2025 · Sweden now