| Code | Stadt | 30/04 | 01/05 | 02/05 | 03/05 | 04/05 | 05/05 | 06/05 | 07/05 | 08/05 | 09/05 | 10/05 | 11/05 | 12/05 | 13/05 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brussel (Kunst-Wet) | 20 | 29 | 22 | 20 | 27 | 22 | 30 | 28 | 29 | 24 | 16 | 26 | 19 | NA | ||
| 41B004 | Brussel (Sint-Katelijne) | 10 | 17 | 15 | 12 | 14 | 13 | 14 | 17 | 22 | 19 | 10 | 9 | 15 | NA | |
| 41B006 | Brussel (EU Parlement) | 30 | 23 | 25 | 18 | 22 | 21 | 21 | 22 | 22 | 24 | 17 | 17 | 17 | NA | |
| Brussel (Belliardstraat) | 18 | 20 | 17 | 15 | 22 | 20 | 23 | 27 | 27 | 19 | 11 | 17 | 18 | NA | ||
| 41B011 | Sint-Agatha-Berchem | 7 | 12 | 9 | 8 | 8 | 9 | 12 | 15 | 20 | 15 | 7 | 8 | 7 | NA | |
| 41BUL1 | Brussel (Zuidlaan) | 14 | 24 | 22 | 17 | 21 | 15 | 21 | 24 | 21 | 19 | 10 | 17 | 19 | NA | |
| 41CHA1 | Ganshoren (Keizer-Karel) | 30 | 30 | 17 | 14 | 25 | 27 | 30 | 42 | 52 | 41 | 18 | 21 | 12 | NA | |
| 41MEU1 | Neder-Over-Heembeek | 13 | 20 | 11 | 13 | 11 | 9 | 10 | 14 | 25 | 15 | 6 | 6 | 13 | NA | |
| 41N043 | Voorhaven (Haren) | 11 | 26 | 19 | 12 | 16 | 12 | 14 | 24 | 26 | 19 | 8 | 7 | 12 | NA | |
| 41R001 | Sint-Jans-Molenbeek | 14 | 20 | 17 | 11 | 16 | 15 | 20 | 22 | 31 | 25 | 11 | 13 | 13 | NA | |
| 41R002 | Elsene | 9 | 18 | 15 | 11 | 17 | 12 | 16 | 18 | 22 | 15 | 9 | 13 | 18 | NA | |
| 41R012 | Ukkel | 5 | 6 | 6 | 5 | 8 | 9 | 12 | 12 | 9 | 9 | 7 | 7 | 8 | NA | |
| 41REG1 | Brussel (Regentlaan) | 15 | 22 | 28 | 17 | 31 | 23 | 35 | 30 | 26 | 24 | 17 | 38 | 33 | NA | |
| 41VBX2 | Brussel (Huidevetterstraat) | 13 | 22 | 20 | 15 | 18 | 20 | 19 | 24 | 22 | 21 | 12 | 13 | 20 | NA | |
| 41VBX3 | Brussel (Lakensestraat) | 23 | 32 | 20 | 15 | 25 | 21 | 24 | 30 | 39 | 32 | 15 | 16 | 14 | NA | |
| 47E013 | Vorst | 12 | 8 | 9 | 6 | 10 | 11 | 13 | 19 | 19 | 16 | 8 | 8 | 11 | NA | |
| 40AT44 | Antwerpen (Ordamstraat) | 12 | 21 | 34 | 27 | 37 | 9 | 15 | 19 | 26 | 14 | 7 | 11 | 27 | NA | |
| 40AT83 | Berendrecht | 6 | 16 | 40 | 33 | 26 | 6 | 8 | 19 | 13 | 9 | 5 | 12 | 30 | NA | |
| 40LD02 | Geel | 5 | 10 | 9 | 8 | 9 | 6 | 6 | 7 | 9 | 8 | 6 | 5 | NA | NA | |
| 40R822 | Antwerpen (haven) | 20 | 22 | 34 | 18 | 46 | 24 | 24 | 27 | 37 | 25 | 12 | 18 | 32 | NA | |
| 40R891 | Antwerpen (haven) | 12 | 17 | 24 | 16 | 29 | 15 | 17 | 20 | 25 | 15 | 6 | 20 | 30 | NA | |
| 40R892 | Kallo (sluis Kallo) | 19 | 15 | 21 | 8 | 32 | 26 | 29 | 32 | 34 | 32 | 18 | 22 | 17 | NA | |
| 40R897 | Antwerpen (haven) | 29 | 28 | 20 | 11 | 31 | 17 | 21 | 25 | 42 | 27 | 10 | 26 | 20 | NA | |
| 40SA04 | Hoevenen | 5 | 9 | 20 | 12 | 20 | 5 | 6 | 7 | 12 | 8 | 4 | 3 | 9 | NA | |
| 40SA08 | Stabroek | 6 | 10 | 24 | 15 | 22 | 6 | 9 | 15 | 13 | 10 | 6 | 11 | 25 | NA | |
| 40SZ05 | Steenokkerzeel | 5 | 7 | 10 | 7 | 12 | 5 | 5 | 9 | 9 | 8 | 5 | 4 | 9 | NA | |
| 40ZB07 | Zeebrugge | 12 | 30 | 24 | 21 | 20 | 8 | 16 | 17 | 23 | 22 | 6 | 9 | 13 | NA | |
| 40ZB08 | Zeebrugge (Evendijk-Oost) | NA | 27 | 24 | 27 | 25 | 18 | 30 | 25 | 31 | 32 | 13 | 10 | 8 | NA | |
| 40ZB12 | Zeebrugge (H.V. Wolvenstraat) | 11 | 27 | 20 | 18 | 17 | 5 | 7 | 13 | 25 | 21 | 5 | 4 | 8 | NA | |
| 42DU07 | Antwerpen (Deurne) | NA | 19 | 20 | 19 | 28 | 9 | 10 | 14 | 19 | 14 | 7 | 13 | 27 | NA | |
| 42M802 | Antwerpen (Luchtbal) | NA | NA | NA | 14 | 30 | 15 | 14 | 19 | 27 | 19 | 8 | 12 | 21 | NA | |
| 42MK02 | Antwerpen (Merksem) | 7 | 16 | 22 | 16 | 29 | 10 | 15 | 15 | 15 | 12 | 6 | 15 | 26 | NA | |
| 42N016 | Dessel | 7 | 10 | 11 | 8 | 9 | 6 | 6 | 8 | 13 | 11 | 6 | 5 | 6 | NA | |
| 42N027 | Bree | 7 | 9 | 6 | 7 | 7 | 9 | 7 | 8 | 13 | 11 | 6 | 5 | 5 | NA | |
| 42N035 | Aarschot | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 11 | 9 | 7 | 5 | 6 | NA | |
| 42N040 | Sint-Pieters-Leeuw | 6 | 7 | 7 | 6 | 5 | 8 | 7 | 9 | 11 | 10 | 5 | 4 | 5 | NA | |
| 42N047 | Hasselt | 7 | 10 | 8 | 6 | 8 | 10 | 9 | 9 | 18 | 11 | 6 | 6 | 7 | NA | |
| 42N054 | Walshoutem | 6 | 7 | 5 | 5 | 7 | 8 | 4 | 6 | 10 | 9 | 6 | 3 | 5 | NA | |
| 42R020 | Vilvoorde | 8 | 15 | 12 | 11 | 14 | 7 | 7 | 13 | 18 | 12 | 5 | 6 | 11 | NA | |
| 42R801 | Borgerhout | 16 | 26 | 20 | 15 | 22 | 10 | 11 | 16 | 23 | 17 | 7 | 12 | 14 | NA | |
| 42R802 | Borgerhout (straatkant) | 25 | 32 | 25 | 19 | 25 | 10 | 11 | 19 | 26 | 18 | 6 | 11 | 18 | NA | |
| 42R803 | Antwerpen (Park Spoor Noord) | 14 | 24 | 18 | 14 | 24 | 10 | 15 | 18 | 20 | 13 | 6 | 11 | 13 | NA | |
| 42R804 | Borgerhout (Ring) | 10 | 18 | 23 | 19 | 34 | 24 | 28 | 26 | 22 | 20 | 14 | 29 | 33 | NA | |
| 42R805 | Antwerpen (Belgiëlei) | 14 | 25 | 19 | 16 | 29 | 16 | 16 | 25 | 28 | 19 | 8 | 15 | 16 | NA | |
| 42R806 | Antwerpen (Maerlant) | 11 | 17 | 17 | 13 | 25 | 12 | 13 | 16 | 21 | 15 | 7 | 13 | NA | NA | |
| 42R817 | Antwerpen (Groenenborgerlaan) | 8 | 15 | 17 | 13 | 19 | 11 | 11 | 17 | 21 | NA | NA | 11 | NA | NA | |
| 42R830 | Doel (Scheldemolenstraat) | 21 | 38 | 27 | 34 | 24 | 12 | 15 | 28 | 32 | 27 | 16 | 7 | 7 | NA | |
| 42R831 | Berendrecht | 7 | 12 | 22 | 17 | NA | NA | 12 | 17 | 15 | 12 | 6 | 6 | 9 | NA | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 8 | 13 | 17 | 13 | 19 | 18 | 17 | 27 | 25 | 19 | 9 | 13 | 14 | NA | |
| 44M705 | Roeselare (Haven) | 18 | 14 | 11 | 7 | 15 | 14 | 12 | 27 | 26 | 15 | 8 | 8 | NA | NA | |
| 44N029 | Houtem (Veurne) | 8 | 11 | 11 | 7 | 10 | 7 | 6 | 20 | 23 | 18 | 6 | 3 | 5 | NA | |
| 44N052 | Zwevegem | 6 | 10 | 10 | 5 | 11 | 10 | 10 | 19 | 18 | 12 | 10 | 7 | NA | NA | |
| 44R701 | Gent (Baudelopark) | 9 | 13 | 11 | 7 | 14 | 17 | 15 | 23 | 23 | 19 | 11 | 8 | 7 | NA | |
| 44R702 | Gent (Gustaaf Callierlaan) | 11 | 22 | 16 | 8 | 17 | 17 | 20 | 25 | 23 | 19 | 14 | 14 | 12 | NA | |
| 44R731 | Evergem | 10 | 16 | 14 | 11 | 14 | 12 | 11 | 22 | 21 | 16 | 11 | 5 | 7 | NA | |
| 44R740 | Sint-Kruiswinkel | 6 | 11 | 15 | 6 | 24 | 14 | 21 | 20 | 19 | 17 | 12 | 17 | 12 | NA | |
| 44R750 | Zelzate | 8 | 14 | 16 | 11 | 19 | 13 | 14 | 24 | 28 | 25 | 11 | 9 | 9 | NA | |
| 47E007 | Sint-Pieters-Leeuw | 6 | 7 | 6 | 5 | 6 | 9 | 9 | 11 | 15 | 14 | 6 | 4 | 5 | NA | |
| 47E008 | Grimbergen | 7 | 14 | 10 | 9 | 10 | 6 | 7 | 9 | 12 | 9 | 4 | 3 | 6 | NA | |
| 47E009 | Zemst | 5 | 9 | 9 | 7 | 10 | 7 | 7 | 8 | 9 | 8 | 5 | 4 | 6 | NA | |
| 47E703 | Oost-Eeklo | 11 | NA | NA | NA | NA | 11 | 11 | 19 | 25 | 20 | 12 | 5 | 4 | NA | |
| 47E704 | Wachtebeke | 6 | 8 | 12 | 8 | 14 | 10 | 10 | 17 | 19 | 19 | 10 | 6 | 7 | NA | |
| 47E714 | Dudzele | 8 | 23 | 18 | 9 | 16 | 5 | 7 | 15 | 19 | 18 | 4 | 5 | 5 | NA | |
| 47E715 | Zuienkerke | 10 | 19 | 14 | 8 | 14 | 6 | 7 | 15 | 20 | 17 | 5 | 2 | 4 | NA | |
| 47E716 | Mariakerke | 8 | 10 | 10 | 4 | 10 | 13 | 10 | 19 | 20 | 16 | 13 | 5 | 5 | NA | |
| 47E814 | Ham (Genebosstraat) | 15 | 14 | 9 | 6 | 7 | 15 | 15 | 18 | 23 | 19 | 9 | 10 | NA | NA | |
| 43N060 | Havinnes | 5 | 8 | 7 | 5 | 6 | 8 | 6 | 11 | 8 | 7 | 8 | 4 | 7 | NA | |
| 43N064 | Rixensart | 5 | 6 | 5 | 4 | 5 | 5 | 7 | 7 | 9 | 8 | 5 | 4 | 5 | NA | |
| 43N066 | Eupen | 2 | 2 | 4 | 2 | 2 | 7 | 5 | 4 | 5 | 4 | 7 | 3 | 4 | NA | |
| 43N070 | Mons | 10 | 21 | 12 | 10 | 10 | 10 | 10 | 15 | 14 | 11 | 8 | 6 | 16 | NA | |
| 43N073 | Vezin | 4 | 4 | 3 | 3 | 3 | 6 | 4 | 4 | 6 | 8 | 6 | 3 | 5 | NA | |
| 43N085 | Vielsalm | 3 | NA | NA | NA | NA | NA | NA | NA | NA | 5 | 7 | 4 | 3 | NA | |
| 43N093 | Sinsin | 4 | 5 | 7 | 4 | 4 | 8 | 6 | 6 | 5 | 5 | 7 | 4 | 3 | NA | |
| 43N100 | Dourbes | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 3 | 3 | 3 | 5 | 2 | 2 | NA | |
| 43N113 | Saint-Ode | 4 | 4 | 3 | 3 | 3 | 4 | 5 | 5 | 6 | 5 | 6 | 4 | 2 | NA | |
| 43N121 | Offagne | NA | 4 | 3 | 2 | 3 | 4 | 4 | 4 | 5 | 6 | 5 | 3 | 3 | NA | |
| 43N132 | Habay-La-Neuve | 4 | 5 | 6 | 3 | 5 | 5 | 5 | 4 | 5 | 4 | 4 | 4 | 3 | NA | |
| 43R202 | Liège (Av M Destenay) | 14 | 20 | 14 | 10 | 15 | 16 | 12 | 18 | 21 | 17 | 14 | 10 | 12 | NA | |
| 43R221 | Herstal | 14 | 17 | 11 | 6 | 11 | 17 | 11 | 16 | 23 | 18 | 12 | 8 | 10 | NA | |
| 43R222 | Liège (ISSeP) | 8 | 13 | 10 | 3 | 8 | 14 | 9 | 14 | 16 | 12 | 10 | 7 | 12 | NA | |
| 43R223 | Jemeppe-sur-Meuse | 8 | 13 | 14 | 7 | 11 | 11 | 7 | 14 | 15 | 13 | 11 | 7 | 11 | NA | |
| 43R240 | Engis | 9 | 8 | 14 | 10 | 10 | 9 | 5 | 7 | 13 | 13 | 8 | 3 | 13 | NA | |
| 43R401 | Namur | 15 | 12 | 9 | 6 | 8 | 10 | 9 | 10 | 14 | 13 | 9 | 7 | 10 | NA | |
| 45R501 | Charleroi | 20 | 11 | 14 | 8 | 9 | 10 | 9 | 15 | 24 | 22 | 11 | 5 | 12 | NA | |
| 45R502 | Lodelinsart | 12 | 15 | 17 | 9 | 10 | 11 | 16 | 16 | 17 | 15 | 8 | 11 | 15 | NA | |
| 45R503 | Charleroi - Parc | 12 | 13 | 16 | 10 | 13 | 13 | 19 | 15 | 17 | 16 | 10 | 15 | 20 | NA | |
| 45R512 | Marchienne-Au-Pont | 16 | 18 | 15 | 10 | 11 | 12 | 17 | 18 | 21 | 19 | 11 | 10 | 13 | NA | |
| 48R236 | Liége (Aéroport 2) | 5 | 5 | 10 | 7 | 9 | 16 | 15 | 13 | 15 | 14 | 17 | 10 | 9 | NA | |
| 48R237 | Liège (Aéroport 1) | 11 | 10 | 11 | 7 | 13 | 11 | 6 | 9 | 19 | 18 | 8 | 3 | 5 | NA | |
| 48R515 | Charleroi (Aeroport 1) | 10 | 11 | 9 | 7 | 9 | 10 | 13 | 16 | 19 | 16 | 8 | 7 | 7 | NA | |
| 48R516 | Charleroi (Aeroport 2) | 9 | 5 | 7 | 5 | 8 | 9 | 13 | 12 | 16 | 11 | 6 | 7 | 6 | NA | |
| Mittelwert der Messstationen in : | ||||||||||||||||
| Brüssel | 15 | 21 | 17 | 13 | 18 | 16 | 20 | 23 | 26 | 21 | 11 | 15 | 16 | NA | ||
| Flandern | 10 | 16 | 17 | 12 | 19 | 11 | 12 | 17 | 21 | 16 | 8 | 9 | 13 | NA | ||
| Wallonien | 9 | 10 | 9 | 6 | 8 | 10 | 9 | 11 | 13 | 11 | 8 | 6 | 8 | NA | ||
| Belgien | 11 | 15 | 15 | 11 | 16 | 12 | 13 | 17 | 20 | 16 | 9 | 9 | 12 | NA | ||
| Interpoliert räumlichen Mittelwert in : | ||||||||||||||||
| Brüssel | 8 | 11 | 10 | 8 | 10 | 9 | 10 | 12 | 15 | 13 | 7 | 6 | 8 | NA | ||
| Flandern | 6 | 9 | 8 | 6 | 9 | 7 | 7 | 11 | 13 | 10 | 5 | 4 | 6 | NA | ||
| Wallonien | 4 | 4 | 5 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 5 | 3 | 3 | NA | ||
| Belgien | 5 | 6 | 6 | 4 | 6 | 5 | 5 | 8 | 9 | 8 | 5 | 3 | 4 | NA | ||
