What is the air quality trend in Oldenzaal?

Over the past 10 days, Oldenzaal had an average AQI of 27 based on station measurements. The worst day was 2026-07-18 with AQI 45.

How is Oldenzaal air quality measured?

Air quality in Oldenzaal 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 Oldenzaal, Netherlands

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

Historical PM2.5 and AQI trend from monitoring stations near Oldenzaal, Netherlands.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

25h

PM2.5 Station

25h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	20	18–21	4.7 µg/m³	2h	1
2026-07-21	30	30–30	7.2 µg/m³	1h	1
2026-07-20	27	27–27	6.5 µg/m³	1h	1
2026-07-18	45	33–57	11.4 µg/m³	2h	2
2026-07-13	25	21–31	6.0 µg/m³	3h	1
2026-07-12	30	17–43	7.1 µg/m³	2h	2
2026-07-11	30	10–47	7.1 µg/m³	3h	1
2026-07-10	22	11–36	5.3 µg/m³	5h	1
2026-07-09	29	29–29	7.0 µg/m³	1h	1
2026-07-08	20	13–23	4.8 µg/m³	5h	1

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