What is the air quality trend in Groß-Umstadt?

Over the past 3 days, Groß-Umstadt had an average AQI of 51 based on station measurements. The worst day was 2026-10-21 with AQI 54.

How is Groß-Umstadt air quality measured?

Air quality in Groß-Umstadt 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 Groß-Umstadt, Germany

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

Historical PM2.5 and AQI trend from monitoring stations near Groß-Umstadt, Germany.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

44h

PM2.5 Station

44h · 4 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	54	22–65	14.3 µg/m³	13h	3
2026-10-20	53	42–61	13.7 µg/m³	22h	4
2026-10-19	48	43–55	11.7 µg/m³	9h	4

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