What is the air quality trend in Wülfrath?

Over the past 15 days, Wülfrath had an average AQI of 39 based on station measurements. The worst day was 2026-07-21 with AQI 48.

How is Wülfrath air quality measured?

Air quality in Wülfrath 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 Wülfrath, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 27 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	23	23–23	5.4 µg/m³	4.4	1h	27
2026-07-21	48	20–122	12.7 µg/m³	4.7	24h	27
2026-07-20	39	15–64	9.7 µg/m³	3.0	24h	25
2026-07-19	40	26–68	9.7 µg/m³	3.5	24h	23
2026-07-18	41	23–60	10.1 µg/m³	18.4	24h	24
2026-07-17	47	37–56	11.4 µg/m³	16.7	24h	26
2026-07-16	47	33–69	11.6 µg/m³	11.3	24h	24
2026-07-15	40	32–49	9.5 µg/m³	10.1	24h	24
2026-07-14	41	32–52	9.8 µg/m³	8.6	24h	26
2026-07-13	36	30–45	8.7 µg/m³	6.7	24h	24
2026-07-12	36	26–50	8.6 µg/m³	5.5	24h	24
2026-07-11	36	25–48	8.5 µg/m³	10.3	24h	23
2026-07-10	44	32–129	11.3 µg/m³	14.8	24h	24
2026-07-09	37	25–48	8.8 µg/m³	13.0	24h	23
2026-07-08	32	24–52	7.7 µg/m³	7.6	24h	25

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