What is the air quality trend in Overijse?

Over the past 3 days, Overijse had an average AQI of 43 based on station measurements. The worst day was 2026-10-19 with AQI 53.

How is Overijse air quality measured?

Air quality in Overijse 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 Overijse, Belgium

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

Historical PM2.5 and AQI trend from monitoring stations near Overijse, Belgium.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 15 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	29	17–38	6.9 µg/m³	9.7	11h	14
2026-10-20	47	33–55	11.3 µg/m³	19.1	24h	14
2026-10-19	53	39–61	13.8 µg/m³	23.2	10h	14

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