| Station | Moyenne horaire (µg/m3) | à | Maximum journalier (µg/m3) | à |
|---|---|---|---|---|
| Arts-Loi | 12,0 | 19h | 24,0 | 15h |
| Sainte-Catherine | 3,0 | 19h | 21,0 | 9h |
| Parlement européen | 1,0 | 19h | 13,0 | 9h |
| Belliard | 6,0 | 19h | 35,0 | 10h |
| Berchem-Sainte-Agathe | 3,0 | 19h | 12,0 | 9h |
| Forest (Electrabel) | 4,0 | 16h | 19,0 | 9h |
| Neder-Over-Heembeek | 3,0 | 19h | 20,0 | 8h |
| Avant-port (Haren) | 6,0 | 19h | 77,0 | 7h |
| Molenbeek-Saint-Jean | 14,0 | 19h | 40,0 | 9h |
| Ixelles | 3,0 | 19h | 15,0 | 9h |
| Uccle | 3,0 | 19h | 10,0 | 9h |
| Woluwe-Saint-Lambert | 4,0 | 19h | 37,0 | 8h |
Le trait rose indique la concentration horaire maximale pour la journée.