SmogRank / World / Austria / April 2025

Most polluted cities in Austria, April 2025

17 cities in Austria ranked by their average PM2.5 over the 30 days. Worst: Traun at 9.6 µg/m³, #1,203 of 2,569 cities in the world. Cleanest: Innsbruck at 5.4. A city needs measurements on 70% of the days to be ranked.

← Traun 9.6 µg/m³ 20 µg/m³0
Every city in Austria ranked for April 2025, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1TraunUpper Austria
    1
  2. 2AnsfeldenUpper Austria
    1
  3. 3WelsUpper Austria
    1
  4. 3GrazStyria
    1
  5. 5KlosterneuburgLower Austria
    1
  6. 6AmstettenLower Austria
    1
  7. 7ViennaVienna
    1
  8. 7LinzUpper Austria
    1
  9. 9Sankt PöltenLower Austria
    1
  10. 9EisenzickenBurgenland
    1
  11. 11PerchtoldsdorfLower Austria
    1
  12. 12Klagenfurt am WörtherseeCarinthia
    1
  13. 13MödlingLower Austria
    1
  14. 14SteyrUpper Austria
    1
  15. 15BadenLower Austria
    1
  16. 16SalzburgSalzburg
    1
  17. 17InnsbruckTyrol
    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 2025 · Austria now

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SmogRank, most polluted cities in Austria, PM2.5, April 2025, smogrank.com/at/history/2025-04 (accessed 2 Oct 2026).

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