What is the air quality trend in Idar-Oberstein?

Over the past 14 days, Idar-Oberstein had an average AQI of 25 based on station measurements. The worst day was with AQI .

How is Idar-Oberstein air quality measured?

Air quality in Idar-Oberstein 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 Idar-Oberstein, Germany

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

Historical PM2.5 and AQI trend from monitoring stations near Idar-Oberstein, Germany.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

250h · 2 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-11	39	19–55	9.5 µg/m³	12h	3
2026-04-10	29	15–51	6.8 µg/m³	24h	3
2026-04-09	26	4–55	6.2 µg/m³	17h	3
2026-04-08	31	19–38	7.4 µg/m³	9h	3
2026-04-07	19	8–31	4.5 µg/m³	24h	3
2026-04-06	15	4–21	3.6 µg/m³	18h	3
2026-04-04	12	8–19	2.9 µg/m³	15h	3
2026-04-03	34	12–53	8.2 µg/m³	24h	3
2026-04-02	31	12–66	7.6 µg/m³	21h	3
2026-04-01	31	10–48	7.3 µg/m³	23h	2
2026-03-31	19	10–31	4.6 µg/m³	21h	2
2026-03-30	12	8–17	3.0 µg/m³	10h	2
2026-03-29	30	12–52	7.3 µg/m³	23h	2
2026-03-28	35	27–42	8.4 µg/m³	9h	2

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