What is the air quality trend in Herford?

Over the past 2 days, Herford had an average AQI of 11 based on station measurements. The worst day was 2026-05-29 with AQI 14.

How is Herford air quality measured?

Air quality in Herford 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 Herford, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

20h

PM2.5 Station

20h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	14	3–39	3.5 µg/m³	3.6	12h	1
2026-05-28	8	2–23	1.8 µg/m³	1.8	8h	1

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