| Code | city | 27/10 | 28/10 | 29/10 | 30/10 | 31/10 | 01/11 | 02/11 | 03/11 | 04/11 | 05/11 | 06/11 | 07/11 | 08/11 | 09/11 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B001 | Brussel (Kunst-Wet) | 36 | 30 | 27 | 31 | 24 | 29 | 44 | 53 | 46 | 51 | 43 | 28 | 48 | 57 | |
| 41B004 | Brussel (Sint-Katelijne) | 22 | 20 | 17 | 17 | 13 | 12 | 33 | 42 | 37 | 40 | 26 | 16 | 41 | 52 | |
| 41B006 | Brussel (EU Parlement) | 20 | 19 | 16 | 17 | 12 | 13 | 33 | 47 | 43 | 44 | 24 | 20 | 44 | 46 | |
| 41B008 | Brussel (Belliardstraat) | 29 | 33 | 27 | 25 | 18 | 19 | 36 | 40 | 39 | 42 | 27 | 20 | 42 | 50 | |
| 41B011 | Sint-Agatha-Berchem | 12 | 13 | 9 | 4 | 2 | 2 | 23 | 30 | 19 | 16 | 9 | 2 | 28 | 40 | |
| 41CHA1 | Ganshoren (Keizer-Karel) | 19 | 24 | 18 | 16 | 12 | 8 | 36 | 64 | 41 | 51 | 17 | 17 | 44 | 54 | |
| 41MEU1 | Neder-Over-Heembeek | 19 | 17 | 12 | 11 | 7 | 11 | 31 | 33 | 26 | 29 | 22 | 10 | 42 | 49 | |
| 41N043 | Voorhaven (Haren) | 28 | 29 | 26 | 21 | 15 | 17 | 39 | 38 | 37 | 43 | 26 | 17 | 47 | 53 | |
| 41R001 | Sint-Jans-Molenbeek | 21 | 22 | 18 | 17 | 10 | 9 | 36 | 48 | 40 | 44 | 25 | 16 | 44 | 50 | |
| 41R002 | Elsene | 23 | 31 | 26 | 24 | 18 | 13 | 33 | 44 | 44 | 48 | 22 | 24 | 44 | 49 | |
| 41R012 | Ukkel | 6 | 6 | 4 | 2 | 1 | 2 | 12 | 25 | 20 | 18 | 8 | 4 | 23 | 26 | |
| 41REG1 | Brussel (Regentlaan) | 35 | 30 | 25 | 30 | 22 | 25 | 46 | 54 | 62 | 69 | 40 | 39 | 61 | 56 | |
| 47E013 | Vorst | 13 | 12 | 9 | 9 | 7 | 7 | 19 | 38 | 30 | 28 | 17 | 13 | 31 | 30 | |
| 40AL01 | Antwerpen-Linkeroever | 18 | 21 | 15 | 11 | 10 | 10 | 26 | 39 | 40 | 32 | 15 | 11 | 35 | 36 | |
| 40AT44 | Antwerpen (Ordamstraat) | 34 | 35 | 34 | 29 | 25 | 30 | 44 | 37 | 42 | 48 | 34 | 38 | 54 | 52 | |
| 40LD02 | Geel | 15 | 17 | 14 | 10 | 7 | 7 | 18 | 18 | 26 | 25 | 16 | 10 | 23 | 30 | |
| 40R822 | Antwerpen (haven) | 22 | 29 | 26 | 20 | 14 | 12 | 25 | 55 | 47 | 46 | 24 | 37 | 37 | NA | |
| 40R891 | Antwerpen (haven) | 22 | 26 | 19 | 17 | 17 | 13 | 34 | 50 | 48 | 48 | 20 | 34 | 50 | 42 | |
| 40R892 | Kallo (sluis Kallo) | 14 | 18 | 12 | 8 | 5 | 5 | 15 | 41 | 40 | 39 | 12 | 19 | 35 | 25 | |
| 40R897 | Antwerpen (haven) | 21 | 24 | 18 | 13 | 10 | 9 | 29 | 47 | 44 | 34 | 22 | 11 | 38 | 38 | |
| 40SA08 | Stabroek | 25 | 23 | 26 | 16 | 14 | 21 | 36 | 29 | 25 | 37 | 24 | 23 | 44 | 41 | |
| 40SZ01 | Steenokkerzeel | 18 | 13 | 10 | 13 | 11 | 11 | 22 | 27 | 30 | 29 | 27 | 12 | 34 | 34 | |
| 40SZ05 | Steenokkerzeel | 13 | 12 | 8 | 10 | 8 | 7 | 21 | 25 | 34 | 31 | 17 | 16 | 41 | 28 | |
| 42M802 | Antwerpen (Luchtbal) | 24 | 31 | 24 | 16 | 13 | 11 | 37 | 41 | 43 | 51 | 17 | 26 | 51 | 52 | |
| 42N016 | Dessel | 11 | 13 | 9 | 7 | 5 | 6 | 16 | 21 | 33 | 24 | 12 | 11 | 31 | 28 | |
| 42N027 | Bree | 9 | 12 | 7 | 6 | 5 | 3 | 10 | 24 | 27 | 18 | 8 | 6 | 19 | 21 | |
| 42N035 | Aarschot | 11 | 10 | 8 | 6 | 4 | 5 | 16 | 23 | 29 | 21 | 12 | 8 | 30 | 27 | |
| 42N040 | Sint-Pieters-Leeuw | 10 | 10 | 5 | 5 | 3 | 4 | 16 | 19 | 13 | 9 | 12 | 4 | 21 | 26 | |
| 42N046 | Gellik | 12 | 17 | 10 | 8 | 6 | 5 | 13 | 25 | 28 | 19 | 10 | 6 | 24 | 26 | |
| 42N047 | Hasselt | 12 | 13 | NA | 7 | NA | NA | 15 | 26 | 32 | 27 | 15 | 11 | 29 | 30 | |
| 42N054 | Walshoutem | 6 | 9 | 6 | 5 | 3 | 3 | 9 | 24 | 20 | 17 | 12 | 8 | 21 | 24 | |
| 42R020 | Vilvoorde | 25 | 25 | 21 | 15 | 11 | 13 | 35 | 27 | 27 | 29 | 23 | 8 | 38 | 50 | |
| 42R801 | Borgerhout | 26 | 32 | 29 | 21 | 16 | 16 | 40 | 42 | 41 | 44 | 20 | 19 | 50 | 51 | |
| 42R802 | Borgerhout (straatkant) | 31 | 36 | 32 | 24 | 19 | 18 | 48 | 44 | 45 | 49 | 25 | 22 | 56 | 57 | |
| 42R803 | Antwerpen (Park Spoor Noord) | 25 | 28 | 23 | 19 | 15 | 14 | 38 | 42 | 40 | 43 | 22 | 17 | 45 | 51 | |
| 42R804 | Borgerhout (Ring) | 35 | 29 | 28 | 30 | 21 | 20 | 41 | 54 | 60 | 64 | 31 | 32 | 58 | 49 | |
| 42R805 | Antwerpen (Belgiëlei) | 25 | 32 | 27 | 20 | 17 | 15 | 39 | 48 | 47 | 49 | 20 | 20 | 48 | 49 | |
| 42R806 | Antwerpen (Maerlant) | 46 | 52 | 47 | 39 | 27 | 27 | 62 | 67 | 83 | 74 | NA | 26 | 73 | 83 | |
| 42R811 | Schoten | 22 | 21 | 16 | 13 | 10 | 9 | 31 | 25 | 27 | 31 | 19 | 18 | 36 | NA | |
| 42R817 | Antwerpen (Groenenborgerlaan) | 22 | 21 | 20 | 13 | 13 | 21 | 32 | 39 | 36 | 33 | 18 | 12 | 38 | 44 | |
| 42R820 | Kapellen | 20 | 16 | 13 | 11 | 8 | 9 | 19 | 16 | 16 | 16 | 20 | 13 | 19 | 28 | |
| 42R830 | Doel (Scheldemolenstraat) | 24 | 40 | 39 | 26 | 21 | 13 | 36 | 35 | 17 | 12 | 18 | 5 | 25 | 49 | |
| 42R831 | Berendrecht | 28 | 28 | 23 | 24 | 18 | 21 | 28 | 28 | 23 | 31 | 34 | 19 | 37 | 41 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 27 | 20 | 19 | 13 | 11 | 14 | 38 | 46 | 45 | 46 | 20 | 19 | 49 | 54 | |
| 44M705 | Roeselare (Haven) | 17 | 20 | 15 | 10 | 7 | 6 | 25 | 28 | 23 | 21 | 9 | 10 | 35 | 37 | |
| 44N012 | Moerkerke | 11 | 10 | 9 | 6 | 5 | 5 | 11 | 12 | 8 | 9 | 7 | 5 | 16 | 27 | |
| 44N029 | Houtem (Veurne) | 7 | 10 | 6 | 4 | 3 | 3 | 9 | 10 | 2 | 7 | 7 | 3 | 14 | 11 | |
| 44N051 | Idegem | 8 | 9 | 5 | 5 | 4 | 3 | 8 | NA | NA | 6 | 8 | 6 | 13 | 12 | |
| 44N052 | Zwevegem | 13 | 10 | 9 | 10 | 6 | 6 | 18 | 23 | 18 | 24 | 17 | 11 | 27 | 22 | |
| 44R701 | Gent (Baudelopark) | 20 | 20 | 16 | 15 | 11 | 9 | 31 | 37 | 24 | 25 | 19 | 13 | 36 | 33 | |
| 44R702 | Gent (Gustaaf Callierlaan) | 22 | 24 | 19 | 17 | 13 | 12 | 36 | 44 | 35 | 39 | 18 | 20 | 48 | 40 | |
| 44R710 | Destelbergen | 14 | 12 | 8 | 9 | 6 | 7 | 17 | 22 | 20 | 21 | 16 | 9 | 26 | 25 | |
| 44R721 | Wondelgem | 13 | 18 | 14 | 12 | 9 | 7 | 24 | 26 | 18 | 20 | 15 | 8 | 28 | 28 | |
| 44R731 | Evergem | 20 | 21 | 22 | 13 | 12 | 15 | 28 | 23 | 18 | 20 | 16 | 8 | 33 | 36 | |
| 44R740 | Sint-Kruiswinkel | 16 | 10 | 8 | 9 | 6 | 6 | 24 | 29 | 26 | 30 | 17 | 10 | 32 | 27 | |
| 44R750 | Zelzate | 24 | 16 | 23 | 16 | 14 | 27 | 29 | 33 | 26 | 23 | 24 | 11 | 37 | 40 | |
| 47E007 | Sint-Pieters-Leeuw | 13 | 12 | 9 | 8 | 6 | 6 | 21 | 28 | 15 | 12 | 13 | 5 | 26 | 33 | |
| 47E008 | Grimbergen | 17 | 18 | 15 | 12 | 8 | 8 | 28 | 23 | 23 | 22 | 16 | 10 | 35 | 42 | |
| 47E009 | Zemst | 17 | 20 | 15 | 11 | 9 | 10 | 28 | 23 | 22 | 19 | 18 | 7 | 30 | 35 | |
| 47E703 | Oost-Eeklo | 11 | 12 | 10 | 8 | 6 | 4 | 15 | 19 | 13 | 13 | 13 | 6 | 23 | 24 | |
| 47E704 | Wachtebeke | 9 | 8 | 7 | 6 | 5 | 7 | 15 | 20 | 15 | 19 | 12 | 12 | 22 | 20 | |
| 47E714 | Dudzele | 16 | 11 | 10 | 9 | 6 | 7 | 18 | 18 | 13 | 13 | 11 | 3 | 21 | 26 | |
| 47E715 | Zuienkerke | 10 | 15 | 10 | 7 | 6 | 4 | 15 | 17 | 12 | 8 | 7 | 3 | 16 | 22 | |
| 47E716 | Mariakerke | 12 | 11 | 10 | 8 | 6 | 6 | 20 | 21 | 15 | 15 | 13 | 6 | 23 | 27 | |
| 47E814 | Ham (Genebosstraat) | 8 | 12 | 6 | 7 | 4 | 4 | 11 | 26 | 27 | 16 | 10 | 6 | 20 | 24 | |
| 43N060 | Havinnes | 12 | 13 | 12 | 6 | 5 | 7 | 13 | 11 | 15 | 14 | 11 | 8 | 18 | 22 | |
| 43N063 | Corroy-Le-Grand | 10 | 9 | 6 | 5 | 4 | 4 | 10 | 22 | 18 | 15 | 11 | 6 | 21 | 23 | |
| 43N066 | Eupen | 4 | 5 | 5 | 3 | 2 | 2 | 4 | 19 | 16 | 16 | 4 | 6 | 15 | 10 | |
| 43N070 | Mons | 21 | 19 | 18 | 17 | 11 | 10 | 27 | 24 | 27 | 30 | 23 | 23 | 33 | 32 | |
| 43N073 | Vezin | 6 | 6 | 6 | 3 | 3 | 2 | 9 | 13 | 16 | 11 | 6 | 5 | 13 | 8 | |
| 43N085 | Vielsalm | 3 | 7 | 6 | 4 | 3 | 2 | 3 | 7 | 8 | 6 | 5 | 5 | 6 | 4 | |
| 43N093 | Sinsin | 6 | 6 | 3 | 3 | 2 | 1 | 7 | 13 | 9 | 11 | 7 | 5 | 10 | 10 | |
| 43N100 | Dourbes | 3 | 4 | 3 | 2 | 1 | 1 | 2 | 7 | 7 | 7 | 6 | 5 | 5 | 4 | |
| 43N113 | Saint-Ode | 3 | 8 | 4 | 2 | 1 | 1 | 2 | 5 | 5 | 5 | 5 | 3 | 5 | 8 | |
| 43N121 | Offagne | 4 | 7 | 3 | 2 | 1 | 1 | 2 | 5 | 5 | 6 | 5 | 4 | 9 | 10 | |
| 43N132 | Habay-La-Neuve | 9 | 16 | 12 | 5 | 4 | 4 | 6 | 7 | 9 | 10 | 8 | 8 | 13 | 13 | |
| 43R202 | Liège (Av M Destenay) | 26 | 29 | 25 | 19 | 16 | 13 | 26 | 34 | 35 | 35 | 25 | 16 | 37 | 36 | |
| 43R221 | Herstal | 14 | 18 | 14 | 9 | 6 | 6 | 18 | 33 | 33 | 31 | 15 | 13 | 35 | 32 | |
| 43R222 | Liège (ISSeP) | 10 | 13 | 8 | 5 | 4 | 3 | 13 | 31 | 30 | 25 | 10 | 12 | 33 | 28 | |
| 43R223 | Jemeppe-sur-Meuse | 17 | 15 | 14 | 9 | 6 | 8 | 21 | 24 | 32 | 27 | 16 | 15 | 30 | 27 | |
| 43R240 | Engis | 14 | 13 | 10 | 10 | 10 | 12 | 16 | 22 | 26 | 20 | 20 | 14 | 27 | 28 | |
| 45R501 | Charleroi | 21 | 19 | 17 | 13 | 7 | 11 | 26 | 34 | 27 | 28 | 19 | 13 | 39 | 39 | |
| 45R502 | Lodelinsart | 14 | 18 | 11 | 9 | 6 | 7 | 21 | 28 | 26 | 30 | 19 | 20 | 37 | 34 | |
| 45R503 | Charleroi - Parc | 23 | 26 | 25 | 21 | 14 | 12 | 28 | 34 | 34 | 36 | 23 | 19 | 43 | 41 | |
| 45R512 | Marchienne-Au-Pont | 14 | 18 | 12 | 8 | 6 | 6 | 20 | 25 | 22 | 24 | 13 | 10 | 29 | 30 | |
| 48R215 | Hermalle | 14 | 18 | 15 | 9 | 7 | 7 | 19 | 29 | 28 | 20 | 13 | 7 | 31 | 30 | |
| 48R235 | Bierset | 18 | 16 | 14 | 11 | 10 | 11 | 18 | 28 | 24 | 13 | 24 | 7 | 35 | 39 | |
| Spatial average monitoring sites in : | ||||||||||||||||
| Brussels | 22 | 22 | 18 | 17 | 12 | 13 | 32 | 43 | 37 | 40 | 24 | 17 | 41 | 47 | ||
| Flanders | 18 | 19 | 16 | 13 | 10 | 10 | 25 | 31 | 29 | 28 | 17 | 13 | 34 | 35 | ||
| Wallonia | 12 | 14 | 11 | 8 | 6 | 6 | 14 | 21 | 21 | 19 | 13 | 10 | 24 | 23 | ||
| Belgium | 17 | 18 | 15 | 12 | 9 | 10 | 24 | 30 | 28 | 28 | 17 | 13 | 32 | 34 | ||
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 15 | 15 | 12 | 11 | 7 | 7 | 23 | 29 | 26 | 26 | 16 | 10 | 32 | 35 | ||
| Flanders | 10 | 11 | 9 | 7 | 5 | 4 | 14 | 19 | 18 | 17 | 11 | 7 | 22 | 23 | ||
| Wallonia | 6 | 7 | 5 | 4 | 3 | 2 | 7 | 11 | 11 | 11 | 7 | 6 | 12 | 12 | ||
| Belgium | 8 | 9 | 7 | 5 | 4 | 3 | 10 | 15 | 14 | 13 | 9 | 6 | 17 | 17 | ||
These data are not validated : they should not be used for any study whatsoever
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