What is the air quality trend in Mettmann?

Over the past 8 days, Mettmann had an average AQI of 43 based on station measurements. The worst day was 2026-05-25 with AQI 47.

How is Mettmann air quality measured?

Air quality in Mettmann 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 Mettmann, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	47	24–99	13.4 µg/m³	12.5	6h	19
2026-05-29	45	30–82	11.5 µg/m³	8.2	24h	24
2026-05-28	42	29–56	10.1 µg/m³	1.8	24h	24
2026-05-27	40	29–54	9.6 µg/m³	8.3	24h	24
2026-05-26	42	23–65	10.2 µg/m³	3.3	24h	24
2026-05-25	47	27–155	12.9 µg/m³	6.0	24h	23
2026-05-24	39	25–67	9.6 µg/m³	13.2	24h	27
2026-05-23	42	31–100	10.7 µg/m³	9.3	18h	25

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