SmogRank / Countries / Austria / Upper Austria

Most polluted cities in Upper Austria, Austria

5 measured cities ranked by PM2.5, this year. Worst: Ansfelden at 10.7 µg/m³, #534 in the world.

#City µg/m³× WHO
1Ansfelden Upper Austria
10.72.1×
2Linz Upper Austria
10.42.1×
3Traun Upper Austria
10.02.0×
4Wels Upper Austria
9.51.9×
5Steyr Upper Austria
8.31.7×
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

Updated 2026-10-01 14:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.