| Code | city | 21/12 | 22/12 | 23/12 | 24/12 | 25/12 | 26/12 | 27/12 | 28/12 | 29/12 | 30/12 | 31/12 | 01/01 | 02/01 | 03/01 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B011 | Sint-Agatha-Berchem | 71 | 70 | 76 | 77 | 70 | 68 | 60 | 65 | 69 | 68 | 78 | 71 | 80 | 77 | |
| 41MEU1 | Neder-Over-Heembeek | 70 | 69 | 70 | 72 | 64 | 63 | 59 | 59 | 62 | 61 | 74 | 65 | 76 | 74 | |
| 41N043 | Voorhaven (Haren) | 73 | 72 | 74 | 76 | 70 | 67 | 58 | 65 | 69 | 67 | 75 | 72 | 82 | 79 | |
| 41R001 | Sint-Jans-Molenbeek | 63 | 64 | 66 | 68 | 62 | 62 | 57 | 61 | 65 | 60 | 74 | 66 | 75 | 72 | |
| 41R012 | Ukkel | 73 | 71 | 72 | 72 | 62 | 68 | 63 | 67 | 69 | 67 | 80 | 70 | 80 | 74 | |
| 42N016 | Dessel | 73 | 72 | 72 | 74 | 74 | 68 | 62 | 67 | 69 | 69 | 78 | 70 | 82 | 77 | |
| 42N027 | Bree | 75 | 74 | 75 | 77 | 74 | 71 | 65 | 69 | 71 | 71 | 82 | 72 | 86 | 81 | |
| 42N035 | Aarschot | 72 | 72 | 75 | 77 | 72 | 69 | 62 | 70 | 72 | 70 | 81 | 72 | 85 | 81 | |
| 42N040 | Sint-Pieters-Leeuw | NA | 68 | 77 | 76 | 71 | 69 | 61 | 65 | 72 | 69 | 77 | 71 | 82 | 77 | |
| 42N046 | Gellik | 73 | 71 | 75 | 75 | 72 | 73 | 65 | 68 | 76 | 71 | 82 | 72 | 85 | 82 | |
| 42N047 | Hasselt | 74 | 73 | 74 | 75 | 72 | 70 | 63 | 68 | 72 | 70 | 83 | 74 | 85 | 81 | |
| 42R801 | Borgerhout | 69 | 67 | 72 | 72 | 72 | 68 | 55 | 65 | 69 | 63 | 73 | 69 | 81 | 76 | |
| 42R811 | Schoten | 64 | 65 | 75 | 76 | 73 | 70 | 60 | 65 | 68 | 64 | 75 | 69 | 82 | 77 | |
| 42R831 | Berendrecht | 63 | 60 | 73 | 75 | 72 | 69 | 56 | 64 | 69 | 58 | 72 | 64 | 84 | 78 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 69 | 69 | 72 | 75 | 75 | 71 | 58 | 66 | 69 | 68 | 79 | 72 | 83 | 80 | |
| 44M705 | Roeselare (Haven) | 77 | 70 | 80 | 82 | 79 | 76 | 57 | 71 | 75 | 71 | 82 | 75 | 86 | 83 | |
| 44N012 | Moerkerke | 76 | 75 | 79 | 81 | 77 | 77 | 61 | 76 | 76 | 70 | 82 | 72 | 88 | 84 | |
| 44N029 | Houtem (Veurne) | 76 | 68 | 80 | 82 | 77 | 77 | 67 | 74 | 78 | 66 | 82 | 73 | 87 | 81 | |
| 44R701 | Gent (Baudelopark) | 75 | 74 | 78 | 82 | 80 | 77 | 63 | 68 | 74 | 69 | 80 | 73 | 88 | 84 | |
| 44R710 | Destelbergen | 72 | 72 | 77 | 77 | 75 | 72 | 62 | 66 | 71 | 67 | 76 | 69 | 85 | 79 | |
| 44R740 | Sint-Kruiswinkel | 72 | 73 | 72 | 76 | 73 | 69 | 62 | 65 | 71 | 67 | 74 | 68 | 82 | 76 | |
| 43N060 | Havinnes | 70 | 67 | 76 | 78 | 73 | 68 | 57 | 67 | 72 | 68 | 76 | 71 | 83 | 80 | |
| 43N064 | Rixensart | 72 | 70 | 74 | 72 | 66 | 70 | 61 | 68 | 69 | 67 | 78 | 72 | 82 | 76 | |
| 43N066 | Eupen | 64 | 62 | 64 | 63 | 56 | 61 | 62 | 65 | 66 | 65 | 74 | 68 | 75 | 71 | |
| 43N070 | Mons | 62 | 63 | 68 | 69 | 62 | 64 | 55 | 61 | 66 | 61 | 75 | 71 | 75 | 70 | |
| 43N073 | Vezin | 72 | 68 | 72 | 74 | 69 | 70 | 64 | 69 | 71 | 72 | 83 | 72 | 83 | 77 | |
| 43N085 | Vielsalm | 75 | 69 | 70 | 66 | 63 | 66 | 60 | 61 | 62 | 65 | 75 | 64 | 71 | 70 | |
| 43N093 | Sinsin | 73 | 70 | 76 | 74 | 70 | 73 | 64 | 67 | 72 | 72 | 84 | 71 | 82 | 79 | |
| 43N100 | Dourbes | 74 | 71 | 77 | 76 | 71 | 75 | 66 | 68 | 72 | 71 | 86 | 70 | 81 | 78 | |
| 43N113 | Saint-Ode | 77 | 74 | 77 | 77 | 72 | 74 | 73 | 66 | 71 | 71 | 87 | 71 | 79 | 80 | |
| 43N121 | Offagne | 69 | 67 | 74 | 74 | 72 | 70 | 68 | 63 | 69 | 69 | 84 | 69 | 76 | 78 | |
| 43N132 | Habay-La-Neuve | 73 | 70 | 73 | 72 | 69 | 67 | 60 | 62 | 67 | 67 | 83 | 67 | 72 | 80 | |
| 43R221 | Herstal | 66 | 66 | 67 | 68 | 60 | 66 | 58 | 64 | 67 | 65 | 77 | 69 | 77 | 74 | |
| 43R222 | Liège (ISSeP) | 67 | 66 | 72 | 71 | 65 | 69 | 65 | 67 | 70 | 71 | 81 | 71 | 80 | 76 | |
| 43R240 | Engis | 68 | 68 | 68 | 62 | 55 | 68 | 61 | 66 | 66 | 65 | 75 | 69 | 65 | 65 | |
| 43R401 | Namur | 69 | 69 | 74 | 73 | 68 | 69 | 58 | 67 | 70 | 71 | 81 | 70 | 80 | 76 | |
| 45R502 | Lodelinsart | 63 | 63 | 65 | 59 | 56 | NA | NA | 57 | 60 | 61 | 58 | NA | 71 | 63 | |
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 71 | 71 | 72 | 73 | 69 | 68 | 60 | 67 | 70 | 65 | 78 | 73 | 81 | 78 | ||
| Flanders | 74 | 73 | 77 | 78 | 76 | 74 | 63 | 72 | 75 | 68 | 81 | 76 | 87 | 85 | ||
| Wallonia | 72 | 70 | 73 | 71 | 69 | 71 | 63 | 68 | 71 | 67 | 81 | 73 | 79 | 78 | ||
| Belgium | 73 | 71 | 74 | 74 | 72 | 72 | 63 | 70 | 73 | 68 | 81 | 74 | 83 | 81 | ||
| % of the population exposed to O3 concentrations > 180 μg/m³ in: | ||||||||||||||||
| Brussels | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Flanders | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Wallonia | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Belgium | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| % of the population exposed to O3 concentrations > 240 μg/m³ in: | ||||||||||||||||
| Brussels | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Flanders | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Wallonia | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Belgium | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
Color legend:
These data are not validated : they should not be used for any study whatsoever
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