What is the air quality trend in Steyr?

Over the past 7 days, Steyr had an average AQI of 38 based on station measurements. The worst day was with AQI .

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

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

109h · 3 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	87	87–87	29.4 µg/m³	34.4	1h	3
2026-04-10	62	38–83	17.6 µg/m³	22.8	24h	13
2026-04-09	29	22–38	7.0 µg/m³	17.6	18h	12
2026-04-08	20	16–26	4.7 µg/m³	9.7	9h	10
2026-04-07	22	13–32	5.2 µg/m³	10.2	24h	12
2026-04-06	18	14–25	4.3 µg/m³	6.6	19h	11
2026-04-04	29	14–39	6.9 µg/m³	8.8	14h	11

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