Air Quality index, 31/05/2026 - 14/06/2026

	31/05	01/06	02/06	03/06	04/06	05/06	06/06	07/06	08/06	09/06	10/06	11/06	12/06	13/06	14/06
Conurbation
Brussels	4	4	4	4	4	3	4	4	4	4	4	3	2	4	4
Antwerp	5	5	4	4	4	4	4	4	4	4	4	4	3	4	4
Ghent	5	5	4	4	4	4	4	4	4	4	4	4	3	4	4
Liège	6	5	4	4	4	4	4	5	4	4	4	4	3	5	4
Charleroi	NA	4	3	3	3	3	4	4	4	3	3	3	2	4	4
Area
Coast	4	4	4	4	4	5	4	4	4	4	4	4	3	4	4
West-Vlaanderen (south)	5	4	4	4	4	5	4	4	4	4	4	4	3	5	4
Ghent canal area	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Oost-Vlaanderen (south)	4	4	4	4	4	4	4	4	4	4	4	3	3	4	4
Antwerp harbour area	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Kempen - Vlaams-Brabant (east)	5	5	4	4	4	4	4	4	4	4	4	4	3	5	4
Limburg	6	5	4	4	4	4	4	5	4	4	4	4	3	5	4
Region
Brussels	4	4	4	4	4	3	4	4	4	4	4	3	2	4	4
Flanders	5	5	4	4	4	4	4	4	4	4	4	4	3	5	4
Wallonia	5	4	4	3	3	3	4	4	4	4	4	3	2	4	4
Country
Belgium	5	5	4	4	4	3	4	4	4	4	4	3	3	4	4

1	exellent
2	very good
3	good
4	fairly good
5	moderate
6	poor
7	very poor
8	bad
9	very bad
10	horrible