What is the air quality trend in Braine-l'Alleud?

Over the past 3 days, Braine-l'Alleud had an average AQI of 43 based on station measurements. The worst day was 2026-10-19 with AQI 52.

How is Braine-l'Alleud air quality measured?

Air quality in Braine-l'Alleud 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 Braine-l'Alleud, Belgium

Name: Braine-l'Alleud Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Braine-l'Alleud, Belgium.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 13 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	32	20–45	7.7 µg/m³	9.0	14h	20
2026-10-20	46	30–57	11.2 µg/m³	19.1	24h	19
2026-10-19	52	43–56	12.7 µg/m³	25.0	7h	19

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