What is the air quality trend in Simmerath?

Over the past 2 days, Simmerath had an average AQI of 21 based on station measurements. The worst day was with AQI .

How is Simmerath air quality measured?

Air quality in Simmerath 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 Simmerath, Germany

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

36h · 3 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	21	12–59	5.1 µg/m³	9.1	20h	4
2026-04-09	21	11–42	5.0 µg/m³	14.1	16h	4

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