What is the air quality trend in Herzogenaurach?

Over the past 8 days, Herzogenaurach had an average AQI of 48 based on station measurements. The worst day was 2026-10-21 with AQI 128.

How is Herzogenaurach air quality measured?

Air quality in Herzogenaurach 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 Herzogenaurach, Germany

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

Historical PM2.5 and AQI trend from monitoring stations near Herzogenaurach, Germany.

106

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

148h

PM2.5 Station

148h · 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	128	20–196	60.0 µg/m³	70.7	13h	2
2026-10-20	48	4–209	23.6 µg/m³	27.3	24h	2
2026-10-19	99	10–194	38.1 µg/m³	42.9	24h	2
2026-10-18	52	4–152	16.9 µg/m³	20.6	18h	2
2026-10-17	11	2–56	2.8 µg/m³	5.0	17h	2
2026-10-16	24	2–103	6.7 µg/m³	8.1	23h	2
2026-10-15	14	2–31	3.5 µg/m³	3.5	20h	1
2026-10-14	10	2–34	2.5 µg/m³	1.9	9h	1

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