SmogRank / Countries / Slovenia / Urban Municipality of Koper

Most polluted cities in Urban Municipality of Koper, Slovenia

1 measured city, last 7 days; 0 above the WHO 24-hour guideline. Worst: Koper at 5.4 µg/m³, #1,684 in the world.

  1. 1Koper 5.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

Updated 2026-10-01 19:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.