What is the air quality trend in Köthen?

Over the past 8 days, Köthen had an average AQI of 33 based on station measurements. The worst day was 2026-07-17 with AQI 49.

How is Köthen air quality measured?

Air quality in Köthen 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 Köthen, Germany

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

155h

PM2.5 Station

155h · 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	24	9–51	5.7 µg/m³	21h	11
2026-07-20	22	12–45	5.4 µg/m³	22h	11
2026-07-19	26	11–48	6.2 µg/m³	21h	10
2026-07-18	47	19–56	11.4 µg/m³	23h	11
2026-07-17	49	22–151	12.5 µg/m³	22h	12
2026-07-16	38	31–50	9.0 µg/m³	22h	12
2026-07-15	34	28–54	8.2 µg/m³	23h	11
2026-07-14	25	25–25	6.0 µg/m³	1h	1

Back to Köthen Air Quality