Luchtkwaliteitsindex, 10/01/2003 - 24/01/2003
| 10/01 | 11/01 | 12/01 | 13/01 | 14/01 | 15/01 | 16/01 | 17/01 | 18/01 | 19/01 | 20/01 | 21/01 | 22/01 | 23/01 | 24/01 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Agglomeratie | |||||||||||||||
| Brussel | 6 | 5 | 6 | 4 | 4 | 4 | 5 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 6 |
| Antwerpen | 6 | 6 | 6 | NA | NA | 4 | 6 | 4 | 4 | 3 | 4 | 3 | 3 | 5 | 6 |
| Gent | 6 | 5 | 7 | 3 | 4 | 4 | 5 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 6 |
| Luik | 6 | 6 | 7 | 5 | 4 | 4 | 5 | 6 | 4 | 3 | 4 | 4 | 5 | 3 | 6 |
| Charleroi | 6 | 5 | 7 | 4 | 4 | 3 | 4 | 2 | 2 | 3 | 3 | 3 | 3 | 4 | 6 |
| Regio | |||||||||||||||
| Kust | 5 | 4 | 5 | 3 | 4 | NA | 4 | 3 | 3 | NA | 4 | NA | 4 | 4 | 5 |
| zuid West-Vlaanderen | 6 | 6 | 7 | 5 | 5 | 6 | 6 | NA | NA | NA | 3 | NA | NA | 4 | 6 |
| Gentse Kanaalzone | 6 | 5 | 7 | 4 | 4 | 4 | 5 | 4 | 4 | NA | 3 | 3 | 3 | 4 | 6 |
| zuid Oost-Vlaanderen | 6 | 4 | 6 | 3 | 3 | 3 | 5 | 3 | 3 | 3 | 4 | 4 | 4 | 3 | 5 |
| Antwerps Havengebied | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Kempen - oost Vlaams-Brabant | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| Limburg | 6 | 5 | 6 | 4 | 3 | 2 | 3 | NA | 3 | NA | NA | NA | 3 | 3 | 5 |
| Gewest | |||||||||||||||
| Brussel | 6 | 5 | 6 | 4 | 4 | 4 | 5 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 6 |
| Vlaanderen | 6 | 5 | 7 | NA | 4 | NA | 5 | NA | NA | NA | NA | NA | 3 | 4 | 6 |
| Wallonië | 6 | 6 | 7 | 4 | 4 | 3 | 5 | 3 | 3 | 3 | 4 | 4 | 3 | 3 | 6 |
| Land | |||||||||||||||
| België | 6 | 5 | 7 | 4 | 4 | 4 | 5 | 3 | 4 | 3 | 3 | 3 | 3 | 4 | 6 |
| 1 | uitstekend |
| 2 | zeer goed |
| 3 | goed |
| 4 | vrij goed |
| 5 | gewoon |
| 6 | middelmatig |
| 7 | ondermaats |
| 8 | slecht |
| 9 | zeer slecht |
| 10 | verschrikkelijk slecht |