Air Quality index, 09/05/2026 - 23/05/2026

	09/05	10/05	11/05	12/05	13/05	14/05	15/05	16/05	17/05	18/05	19/05	20/05	21/05	22/05	23/05
Conurbation
Brussels	6	5	5	4	4	4	4	5	4	4	3	4	5	6	6
Antwerp	6	6	5	5	4	4	5	5	4	4	4	4	5	7	7
Ghent	7	6	5	5	5	4	5	5	4	4	4	4	5	6	7
Liège	6	6	5	5	5	4	4	5	4	4	4	4	5	6	6
Charleroi	6	5	4	4	4	4	4	4	3	3	3	4	4	5	5
Area
Coast	6	6	5	5	4	5	5	5	4	5	4	4	5	6	6
West-Vlaanderen (south)	6	6	5	NA	4	5	5	5	4	4	4	4	5	6	7
Ghent canal area	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Oost-Vlaanderen (south)	6	5	5	5	4	4	4	5	4	4	4	4	5	6	6
Antwerp harbour area	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA
Kempen - Vlaams-Brabant (east)	6	6	5	5	4	4	5	5	4	4	4	4	5	6	7
Limburg	6	6	5	5	4	4	5	5	4	5	4	5	5	6	6
Region
Brussels	6	5	5	4	4	4	4	5	4	4	3	4	5	6	6
Flanders	6	6	5	5	4	4	5	5	4	4	4	4	5	6	6
Wallonia	6	5	4	5	4	4	4	4	4	4	4	4	5	6	6
Country
Belgium	6	5	5	5	4	4	4	5	4	4	4	4	5	6	6

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