| Station | Moyenne horaire (µg/m3) | à | Maximum journalier (µg/m3) | à |
|---|---|---|---|---|
| Arts-Loi | 35,0 | 1h | 56,0 | 22h |
| Sainte-Catherine | 16,0 | 1h | 32,0 | 9h |
| Parlement européen | 12,0 | 1h | 23,0 | 11h |
| Belliard | 30,0 | 1h | 44,0 | 22h |
| Berchem-Sainte-Agathe | 9,0 | 1h | 24,0 | 9h |
| Forest (Electrabel) | 17,0 | 22h | 21,0 | 10h |
| Neder-Over-Heembeek | 26,0 | 1h | 51,0 | 7h |
| Avant-port (Haren) | 19,0 | 1h | 29,0 | 8h |
| Molenbeek-Saint-Jean | 20,0 | 1h | 37,0 | 13h |
| Ixelles | 39,0 | 1h | 47,0 | 11h |
| Uccle | 10,0 | 1h | 16,0 | 11h |
| Woluwe-Saint-Lambert | 12,0 | 1h | 26,0 | 11h |
Le trait rose indique la concentration horaire maximale pour la journée.