What is the air quality trend in Steyr?

Over the past 8 days, Steyr had an average AQI of 59 based on station measurements. The worst day was 2026-10-21 with AQI 103.

How is Steyr air quality measured?

Air quality in Steyr is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Steyr, Austria

Name: Steyr Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Steyr, Austria.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	103	90–122	36.1 µg/m³	39.9	11h	1
2026-10-20	84	33–114	27.6 µg/m³	31.2	24h	1
2026-10-19	61	28–90	17.6 µg/m³	19.8	24h	1
2026-10-18	81	66–111	26.0 µg/m³	29.3	24h	1
2026-10-17	53	4–112	17.0 µg/m³	19.5	23h	1
2026-10-16	40	6–98	11.2 µg/m³	12.3	24h	1
2026-10-15	32	4–90	8.6 µg/m³	9.6	24h	1
2026-10-14	25	4–61	6.3 µg/m³	7.0	10h	1

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