SmogRank / World / Austria / 2025

Most polluted cities in Austria, 2025

18 cities in Austria ranked by their average PM2.5 over the 365 days; 18 above the WHO annual guideline (5.0 µg/m³). Worst: Graz at 13.9 µg/m³, #475 of 2,320 cities in the world. Cleanest: Saalfelden am Steinernen Meer at 6.1. A city needs measurements on 70% of the days to be ranked.

← Graz 13.9 WHO annual guideline
Every city in Austria ranked for 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1GrazStyria
    602.8×
  2. 2TraunUpper Austria
    572.4×
  3. 3WolfsbergCarinthia
    562.3×
  4. 3AnsfeldenUpper Austria
    562.3×
  5. 5LinzUpper Austria
    552.3×
  6. 6Klagenfurt am WörtherseeCarinthia
    552.2×
  7. 7WelsUpper Austria
    552.2×
  8. 8AmstettenLower Austria
    542.2×
  9. 9KlosterneuburgLower Austria
    542.1×
  10. 10Sankt PöltenLower Austria
    532.1×
  11. 11ViennaVienna
    521.9×
  12. 12MödlingLower Austria
    521.9×
  13. 13SteyrUpper Austria
    511.9×
  14. 14PerchtoldsdorfLower Austria
    511.8×
  15. 15InnsbruckTyrol
    501.8×
  16. 16SalzburgSalzburg
    471.7×
  17. 16BadenLower Austria
    471.7×
  18. 18Saalfelden am Steinernen MeerSalzburg
    341.2×
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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, 2025 · Austria now

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

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