What is the air quality trend in Castrop-Rauxel?

Over the past 15 days, Castrop-Rauxel had an average AQI of 32 based on station measurements. The worst day was 2026-05-31 with AQI 43.

How is Castrop-Rauxel air quality measured?

Air quality in Castrop-Rauxel 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 Castrop-Rauxel, Germany

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

Historical PM2.5 and AQI trend from monitoring stations near Castrop-Rauxel, Germany.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	31	27–35	7.4 µg/m³	10.4	3h	7
2026-06-08	28	21–35	6.7 µg/m³	5.8	24h	10
2026-06-07	28	18–42	6.8 µg/m³	6.8	24h	10
2026-06-06	28	22–35	6.8 µg/m³	5.5	24h	10
2026-06-05	28	19–43	6.6 µg/m³	5.4	24h	10
2026-06-04	25	18–35	6.1 µg/m³	2.7	24h	10
2026-06-03	27	16–49	6.5 µg/m³	4.9	24h	10
2026-06-02	33	23–47	7.8 µg/m³	8.3	24h	11
2026-06-01	31	19–44	7.4 µg/m³	9.3	24h	9
2026-05-31	43	24–58	10.5 µg/m³	19.9	24h	9
2026-05-30	40	29–60	9.6 µg/m³	12.1	24h	9
2026-05-29	35	20–56	8.4 µg/m³	9.7	24h	10
2026-05-28	29	19–38	7.1 µg/m³	3.1	24h	10
2026-05-27	39	20–55	9.3 µg/m³	7.9	24h	10
2026-05-26	35	22–50	8.3 µg/m³	5.5	21h	10

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