| Code | city | 24/05 | 25/05 | 26/05 | 27/05 | 28/05 | 29/05 | 30/05 | 31/05 | 01/06 | 02/06 | 03/06 | 04/06 | 05/06 | 06/06 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B011 | Sint-Agatha-Berchem | 76 | 85 | 86 | 66 | 90 | 71 | 92 | 104 | 87 | 83 | 103 | 83 | 76 | 93 | |
| 41MEU1 | Neder-Over-Heembeek | 69 | 77 | 78 | 61 | 87 | 62 | 83 | 93 | 78 | 80 | 96 | 77 | 71 | 86 | |
| 41N043 | Voorhaven (Haren) | 72 | 84 | 84 | 69 | 89 | 68 | 91 | 102 | 87 | 84 | 85 | 84 | 72 | 91 | |
| 41R001 | Sint-Jans-Molenbeek | 74 | 81 | 81 | 66 | 85 | 70 | 89 | 104 | 84 | 81 | 83 | 80 | 74 | 90 | |
| 41R012 | Ukkel | 77 | 80 | 85 | 65 | 89 | 68 | 93 | 108 | 85 | 85 | 102 | 82 | 76 | 94 | |
| 42N016 | Dessel | 75 | NA | 80 | 68 | 79 | 64 | 89 | 111 | 80 | 81 | 99 | 78 | 74 | 88 | |
| 42N027 | Bree | 91 | 81 | 91 | 72 | 91 | 75 | 93 | 108 | 90 | 90 | 108 | 85 | 85 | 97 | |
| 42N035 | Aarschot | 84 | 84 | 84 | 72 | 88 | 74 | 94 | 116 | 87 | 89 | 108 | 82 | 82 | 95 | |
| 42N040 | Sint-Pieters-Leeuw | 73 | 80 | 83 | 65 | 84 | 68 | 87 | 98 | 84 | 86 | 101 | 82 | 76 | 93 | |
| 42N046 | Gellik | 89 | 82 | 89 | 72 | 90 | 78 | 90 | 97 | 93 | 90 | 94 | 68 | 78 | 96 | |
| 42N047 | Hasselt | 89 | 83 | 89 | 72 | 91 | 77 | 97 | 112 | 94 | 89 | 109 | 86 | 82 | 98 | |
| 42R801 | Borgerhout | 77 | 79 | 70 | 73 | 89 | 68 | 84 | 103 | 88 | 90 | 99 | 82 | 82 | 89 | |
| 42R811 | Schoten | 76 | 77 | 78 | 76 | 88 | 68 | 87 | NA | NA | 91 | 102 | 84 | 81 | 91 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 74 | 74 | 73 | 71 | 60 | 31 | 78 | 91 | 80 | 79 | 95 | 75 | 77 | 86 | |
| 44M705 | Roeselare (Haven) | 77 | 87 | 84 | 75 | 94 | 64 | 78 | 94 | 94 | 95 | 96 | 85 | 87 | 88 | |
| 44N012 | Moerkerke | 76 | 86 | 87 | 84 | 93 | 66 | 67 | 61 | 93 | 90 | 98 | 89 | 91 | 89 | |
| 44N029 | Houtem (Veurne) | 75 | 82 | 81 | 77 | 89 | 59 | 68 | 66 | 87 | 91 | 85 | 82 | 87 | 81 | |
| 44R701 | Gent (Baudelopark) | 77 | 84 | 82 | 71 | 92 | 68 | 80 | 102 | 87 | 91 | 94 | 82 | 82 | 88 | |
| 44R710 | Destelbergen | 75 | 83 | 82 | 70 | 90 | 66 | 81 | 100 | 88 | 91 | 96 | 85 | 83 | 88 | |
| 43N060 | Havinnes | 62 | 71 | 72 | 56 | 71 | 52 | 76 | 91 | 74 | 84 | 79 | 72 | 67 | 79 | |
| 43N064 | Rixensart | 86 | 88 | 90 | 70 | 90 | 77 | 96 | 109 | 91 | 91 | 114 | 88 | 80 | 102 | |
| 43N066 | Eupen | 87 | 72 | 80 | 74 | 78 | 71 | 54 | NA | NA | NA | NA | NA | 73 | 83 | |
| 43N070 | Mons | 70 | 72 | 71 | 57 | 64 | 59 | 76 | 82 | 72 | 87 | 90 | 66 | 71 | 79 | |
| 43N073 | Vezin | 86 | 81 | 85 | 74 | 79 | 74 | 84 | 87 | NA | 92 | 105 | 71 | 79 | 89 | |
| 43N085 | Vielsalm | 90 | 54 | 76 | 79 | 65 | 68 | 64 | 74 | NA | 82 | 91 | 78 | 67 | 76 | |
| 43N093 | Sinsin | 86 | 82 | 86 | 78 | 82 | 77 | 75 | 93 | 88 | 91 | 100 | 77 | 81 | 91 | |
| 43N100 | Dourbes | 84 | 82 | 83 | 69 | 85 | 77 | 75 | 88 | 86 | 84 | 104 | 70 | 78 | 87 | |
| 43N113 | Saint-Ode | 89 | 72 | 80 | 82 | 82 | 78 | 76 | 83 | 84 | 80 | 91 | 72 | 76 | 82 | |
| 43N121 | Offagne | 82 | 68 | 80 | 73 | 82 | 82 | 83 | 83 | 88 | 84 | 91 | 75 | 69 | 82 | |
| 43N132 | Habay-La-Neuve | 88 | 61 | 78 | 74 | 78 | 75 | 69 | 79 | 72 | 81 | 83 | 64 | 68 | 74 | |
| 43R221 | Herstal | 90 | 79 | 84 | 71 | 77 | 74 | 85 | 95 | 90 | 89 | 93 | 69 | 75 | 87 | |
| 43R222 | Liège (ISSeP) | 90 | 81 | 83 | 74 | 78 | 75 | 80 | 97 | 90 | 91 | 95 | 73 | 80 | 88 | |
| 43R240 | Engis | 86 | 77 | 81 | 68 | 75 | 68 | 80 | 88 | 86 | 85 | 90 | 63 | 74 | 83 | |
| 43R401 | Namur | 82 | 82 | 87 | 69 | 78 | 74 | 83 | 98 | 89 | 90 | 100 | 72 | 80 | 88 | |
| 45R502 | Lodelinsart | 78 | 71 | 72 | 57 | 65 | 61 | 73 | 89 | 79 | 79 | 106 | 70 | 69 | 78 | |
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 76 | 81 | 83 | 66 | 86 | 70 | 88 | 103 | 85 | 83 | 98 | 81 | 75 | 93 | ||
| Flanders | 79 | 82 | 89 | 74 | 92 | 70 | 86 | 95 | 90 | 91 | 99 | 83 | 83 | 92 | ||
| Wallonia | 83 | 72 | 81 | 72 | 77 | 73 | 78 | 88 | 83 | 87 | 94 | 73 | 74 | 84 | ||
| Belgium | 81 | 77 | 85 | 73 | 84 | 72 | 82 | 91 | 86 | 89 | 96 | 77 | 78 | 87 | ||
| % 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% | ||
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These data are not validated : they should not be used for any study whatsoever
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