What is the air quality trend in Schwelm?

Over the past 7 days, Schwelm had an average AQI of 47 based on station measurements. The worst day was with AQI .

How is Schwelm air quality measured?

Air quality in Schwelm 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 Schwelm, Germany

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

137h

PM2.5 Trend

137h · 3 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-15	66	35–90	19.7 µg/m³	20.9	10h	3
2026-04-14	101	85–137	35.3 µg/m³	38.6	24h	3
2026-04-13	56	17–97	17.3 µg/m³	18.7	16h	3
2026-04-12	14	4–45	3.3 µg/m³	4.0	24h	2
2026-04-11	39	14–65	9.8 µg/m³	10.5	24h	3
2026-04-10	32	9–71	8.0 µg/m³	8.6	24h	3
2026-04-09	24	14–67	6.1 µg/m³	6.6	15h	3

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