SmogRank / World / Slovenia / April 2024

Most polluted cities in Slovenia, April 2024

8 cities in Slovenia ranked by their average PM2.5 over the 30 days. Worst: Celje at 10.2 µg/m³, #673 of 1,941 cities in the world. Cleanest: Koper at 8.2. A city needs measurements on 70% of the days to be ranked.

← Celje 10.2
Every city in Slovenia ranked for April 2024, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1CeljeUrban Municipality of Celje
    1
  2. 2KranjUrban Municipality of Kranj
    1
  3. 3PtujUrban Municipality of Ptuj
    1
  4. 4LjubljanaLjubljana
    1
  5. 5TrbovljeMunicipality of Trbovlje
    1
  6. 6MariborUrban Municipality of Maribor
    1
  7. 7Novo MestoUrban Municipality of Novo Mesto
    1
  8. 8KoperUrban Municipality of Koper
    1
Low1–3
Moderate4–6
High7–9
Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, April 2024 · Slovenia now

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SmogRank, most polluted cities in Slovenia, PM2.5, April 2024, smogrank.com/si/history/2024-04 (accessed 2 Oct 2026).

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