What is the air quality trend in Alsdorf?

Over the past 15 days, Alsdorf had an average AQI of 45 based on station measurements. The worst day was 2026-10-19 with AQI 103.

How is Alsdorf air quality measured?

Air quality in Alsdorf 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 Alsdorf, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	51	13–97	14.5 µg/m³	13h	1
2026-10-20	87	63–142	28.9 µg/m³	24h	1
2026-10-19	103	66–176	37.9 µg/m³	24h	1
2026-10-18	93	38–155	31.8 µg/m³	24h	1
2026-10-17	19	4–55	4.6 µg/m³	24h	1
2026-10-16	29	4–76	7.6 µg/m³	24h	1
2026-10-15	25	4–63	6.3 µg/m³	24h	1
2026-10-14	45	17–78	11.8 µg/m³	24h	1
2026-10-13	15	4–29	3.5 µg/m³	24h	1
2026-10-12	39	4–97	11.0 µg/m³	24h	1
2026-10-11	23	4–59	5.6 µg/m³	24h	1
2026-10-10	23	4–61	5.7 µg/m³	24h	1
2026-10-09	16	4–33	3.8 µg/m³	24h	1
2026-10-08	33	4–221	13.5 µg/m³	24h	1
2026-10-07	80	17–192	32.7 µg/m³	11h	1

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