| Station | Moyenne horaire (µg/m3) | à | Maximum journalier (µg/m3) | à |
|---|---|---|---|---|
| Arts-Loi | 16,0 | 7h | 53,0 | 2h |
| Sainte-Catherine | 22,0 | 6h | 22,0 | 6h |
| Parlement européen | 14,0 | 7h | 22,0 | 3h |
| Belliard | 18,0 | 7h | 24,0 | 3h |
| Berchem-Sainte-Agathe | 14,0 | 7h | 17,0 | 1h |
| Forest (Electrabel) | 19,0 | 4h | 19,0 | 4h |
| Neder-Over-Heembeek | 16,0 | 7h | 17,0 | 6h |
| Avant-port (Haren) | 20,0 | 7h | 23,0 | 6h |
| Molenbeek-Saint-Jean | 21,0 | 7h | 28,0 | 1h |
| Ixelles | 20,0 | 7h | 25,0 | 2h |
| Uccle | 13,0 | 7h | 16,0 | 3h |
| Woluwe-Saint-Lambert | 29,0 | 7h | 40,0 | 2h |
Le trait rose indique la concentration horaire maximale pour la journée.