Air Quality index, 07/09/2026 - 21/09/2026

	07/09	08/09	09/09	10/09	11/09	12/09	13/09	14/09	15/09	16/09	17/09	18/09	19/09	20/09	21/09
Conurbation
Brussels	5	4	3	4	3	4	3	2	5	3	3	4	4	3	4
Antwerp	5	4	3	4	3	4	4	2	5	4	3	4	4	4	4
Ghent	4	4	4	5	4	4	4	2	4	4	4	4	4	4	4
Liège	5	4	4	4	4	4	3	2	5	4	4	4	4	4	4
Charleroi	5	4	3	4	4	4	3	2	5	3	4	3	4	3	4
Area
Coast	3	4	4	4	4	4	4	2	4	4	3	4	4	4	5
West-Vlaanderen (south)	4	4	4	5	4	4	4	2	4	4	4	5	4	4	5
Ghent canal area	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Oost-Vlaanderen (south)	5	4	4	4	4	4	3	2	5	4	4	4	4	4	4
Antwerp harbour area	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Kempen - Vlaams-Brabant (east)	6	4	4	4	4	4	4	2	5	4	4	4	4	4	4
Limburg	6	4	4	4	4	4	3	2	5	4	4	4	4	4	4
Region
Brussels	5	4	3	4	3	4	3	2	5	3	3	4	4	3	4
Flanders	5	4	4	4	4	4	4	2	5	4	4	4	4	4	4
Wallonia	5	4	4	4	4	4	3	2	5	4	4	4	4	4	4
Country
Belgium	5	4	4	4	4	4	3	2	5	4	4	4	4	3	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