What is the air quality trend in Tönisvorst?

Over the past 3 days, Tönisvorst had an average AQI of 36 based on station measurements. The worst day was 2026-07-21 with AQI 45.

How is Tönisvorst air quality measured?

Air quality in Tönisvorst 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 Tönisvorst, Germany

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

49h

PM2.5 Station

49h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	45	21–106	11.6 µg/m³	5.1	23h	22
2026-07-20	41	26–71	10.4 µg/m³	3.2	24h	26
2026-07-19	24	7–40	5.7 µg/m³	1.8	2h	14

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