What is the air quality trend in Brussels?

Over the past 7 days, Brussels had an average AQI of 27 based on station measurements. The worst day was with AQI .

How is Brussels air quality measured?

Air quality in Brussels 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 Brussels, Belgium

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

107h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	20	3–33	4.8 µg/m³	14.7	21h	10
2026-04-09	46	23–67	11.3 µg/m³	29.4	17h	10
2026-04-08	33	23–41	7.8 µg/m³	19.7	9h	12
2026-04-07	26	14–33	6.2 µg/m³	14.2	24h	12
2026-04-06	16	7–36	3.9 µg/m³	9.5	17h	10
2026-04-04	32	11–41	7.7 µg/m³	13.2	15h	10
2026-04-03	18	15–26	4.3 µg/m³	6.4	4h	9

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