SmogRank / World / Austria / October 2026

Most polluted cities in Austria, October 2026

16 cities in Austria ranked by their average PM2.5 so far (1 of 31 days). Worst: Klagenfurt am Wörthersee at 12.2 µg/m³, #385 of 1,630 cities in the world. Cleanest: Linz at 8.1. A city needs measurements on 70% of the days to be ranked.

← Klagenfurt am Wörthersee 12.2 µg/m³ 20 µg/m³0
Every city in Austria ranked for October 2026, 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. 1Klagenfurt am WörtherseeCarinthia
    57
  2. 2GrazStyria
    57
  3. 3WelsUpper Austria
    55
  4. 4EisenzickenBurgenland
    55
  5. 5AmstettenLower Austria
    54
  6. 6SalzburgSalzburg
    53
  7. 7AnsfeldenUpper Austria
    53
  8. 8Sankt PöltenLower Austria
    53
  9. 9SteyrUpper Austria
    52
  10. 10PerchtoldsdorfLower Austria
    52
  11. 11Wiener NeustadtLower Austria
    52
  12. 12KlosterneuburgLower Austria
    52
  13. 13MödlingLower Austria
    51
  14. 14ViennaVienna
    48
  15. 15Saalfelden am Steinernen MeerSalzburg
    45
  16. 15LinzUpper Austria
    45
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, October 2026 · Austria now

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SmogRank, most polluted cities in Austria, PM2.5, October 2026 (so far), smogrank.com/at/history/2026-10 (accessed 2 Oct 2026).

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