What is the air quality trend in Freudenberg?

Over the past 7 days, Freudenberg had an average AQI of 35 based on station measurements. The worst day was 2026-07-18 with AQI 44.

How is Freudenberg air quality measured?

Air quality in Freudenberg 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 Freudenberg, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

76h

PM2.5 Station

76h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	28	22–35	6.8 µg/m³	7h	1
2026-07-20	23	18–28	5.6 µg/m³	5h	1
2026-07-19	35	24–47	8.4 µg/m³	6h	1
2026-07-18	44	26–66	11.2 µg/m³	5h	1
2026-07-17	41	27–49	9.9 µg/m³	16h	1
2026-07-16	37	34–44	8.9 µg/m³	14h	1
2026-07-15	39	35–46	9.5 µg/m³	23h	1

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