| Code | city | 14/09 | 15/09 | 16/09 | 17/09 | 18/09 | 19/09 | 20/09 | 21/09 | 22/09 | 23/09 | 24/09 | 25/09 | 26/09 | 27/09 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B011 | Sint-Agatha-Berchem | 87 | 102 | 101 | 74 | 77 | 62 | 77 | 73 | 65 | 67 | 81 | 85 | 83 | 83 | |
| 41MEU1 | Neder-Over-Heembeek | 86 | 101 | 102 | 72 | 78 | 54 | 73 | 69 | 63 | 59 | 81 | 76 | 82 | 83 | |
| 41N043 | Voorhaven (Haren) | 83 | 87 | 104 | 76 | 72 | 59 | 68 | 69 | 59 | 61 | 72 | 66 | 59 | 64 | |
| 41R001 | Sint-Jans-Molenbeek | 69 | 86 | 90 | 68 | 71 | 55 | 71 | 68 | 58 | 56 | 73 | 74 | 71 | 76 | |
| 41R012 | Ukkel | 82 | 90 | 97 | 64 | 78 | 62 | 75 | 66 | 56 | 67 | 76 | 81 | 79 | 82 | |
| 42N016 | Dessel | 95 | 107 | 123 | 65 | 81 | 59 | 71 | 72 | 68 | 49 | 79 | 84 | 78 | 88 | |
| 42N027 | Bree | 97 | 109 | 115 | 78 | 85 | 68 | 81 | 79 | 77 | 58 | 85 | 93 | 83 | 98 | |
| 42N035 | Aarschot | 95 | 105 | 114 | 75 | 89 | 66 | 75 | 74 | 72 | 63 | 81 | 93 | 89 | 97 | |
| 42N040 | Sint-Pieters-Leeuw | 99 | 109 | 106 | 81 | 83 | 66 | 84 | 75 | 71 | 71 | 84 | 92 | 89 | 84 | |
| 42N046 | Gellik | 92 | 106 | 111 | 80 | 80 | 64 | 81 | 73 | 72 | 69 | 79 | 89 | 97 | 87 | |
| 42N047 | Hasselt | 89 | 105 | 121 | 72 | 78 | 62 | 78 | 73 | 72 | 67 | 80 | 86 | 91 | 90 | |
| 42N054 | Walshoutem | 91 | 97 | 99 | 76 | 74 | 60 | 74 | 69 | 68 | 66 | 78 | 83 | 80 | 86 | |
| 42R801 | Borgerhout | 81 | 90 | 110 | 63 | 71 | 58 | 66 | 67 | 58 | 60 | 76 | 73 | 71 | 67 | |
| 42R811 | Schoten | 91 | 104 | 114 | 73 | 76 | 53 | 72 | 62 | 63 | 62 | 87 | 81 | 79 | 89 | |
| 42R831 | Berendrecht | 97 | 108 | 110 | 65 | 74 | 63 | 67 | 62 | 61 | 59 | 83 | 71 | 78 | 79 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 86 | 96 | 101 | 70 | 78 | 62 | 75 | 70 | 60 | 54 | 82 | 71 | 75 | 78 | |
| 44M705 | Roeselare (Haven) | 93 | 94 | 111 | 62 | 80 | 69 | 75 | 64 | 55 | 71 | 84 | 63 | 70 | 74 | |
| 44N012 | Moerkerke | 95 | 109 | 119 | 74 | 81 | 70 | 80 | 71 | 65 | 70 | 84 | 57 | 73 | 80 | |
| 44N029 | Houtem (Veurne) | 98 | 106 | 98 | 76 | 79 | 69 | 75 | 78 | 66 | 70 | 84 | 69 | 89 | 78 | |
| 44N051 | Idegem | 96 | 110 | 104 | 67 | 81 | 56 | NA | 42 | 60 | 65 | 82 | 76 | 85 | 91 | |
| 44R701 | Gent (Baudelopark) | 92 | 108 | 117 | 73 | 78 | 65 | 78 | 74 | 56 | 66 | 84 | 70 | 80 | 91 | |
| 44R710 | Destelbergen | 83 | 106 | 113 | 64 | 78 | 64 | 80 | 73 | 53 | 66 | 82 | 66 | 74 | 90 | |
| 44R740 | Sint-Kruiswinkel | 95 | 109 | 115 | 64 | 74 | 62 | 76 | 69 | 61 | 65 | 82 | 64 | 73 | 90 | |
| 43N060 | Havinnes | 94 | 90 | 104 | 58 | 76 | 60 | 74 | 61 | 60 | 70 | 79 | 76 | 79 | 79 | |
| 43N064 | Rixensart | 85 | 99 | 95 | 77 | 78 | 63 | 74 | 70 | 65 | 68 | 81 | 87 | 78 | 87 | |
| 43N066 | Eupen | 83 | 93 | 96 | 79 | 76 | 63 | 79 | 78 | 66 | 63 | 79 | 85 | 93 | 99 | |
| 43N070 | Mons | 90 | 88 | 91 | 59 | 69 | 51 | 67 | 66 | 51 | 54 | 66 | 72 | 68 | 71 | |
| 43N073 | Vezin | 92 | 94 | 90 | 81 | 79 | 65 | 78 | 76 | 66 | 68 | 79 | 82 | 83 | 90 | |
| 43N085 | Vielsalm | 68 | 89 | 89 | 77 | 66 | 54 | 72 | 69 | 61 | 54 | 75 | 75 | 88 | 95 | |
| 43N093 | Sinsin | 82 | 86 | 84 | 77 | 82 | 66 | 84 | 78 | 67 | 65 | 79 | 81 | 89 | 91 | |
| 43N100 | Dourbes | 83 | 94 | 86 | 80 | 74 | 67 | 82 | 74 | 65 | 67 | 77 | 82 | 91 | 91 | |
| 43N113 | Saint-Ode | 80 | 93 | 87 | 88 | 79 | 65 | 82 | 79 | 70 | 64 | 85 | 83 | 96 | 87 | |
| 43N121 | Offagne | 81 | 91 | 73 | 79 | 78 | 63 | 82 | 74 | 67 | 63 | 80 | 79 | 88 | 85 | |
| 43N132 | Habay-La-Neuve | 88 | 98 | 85 | 85 | 77 | 65 | 82 | 73 | 66 | 69 | 87 | 79 | 92 | 94 | |
| 43R221 | Herstal | 86 | 93 | 91 | 78 | 77 | 61 | 79 | 76 | 65 | 68 | 75 | 82 | 89 | 81 | |
| 43R222 | Liège (ISSeP) | 84 | 91 | 94 | 83 | 74 | 65 | 81 | 80 | 69 | 68 | 78 | 70 | 83 | 86 | |
| 43R240 | Engis | 85 | 94 | 90 | 82 | 77 | 60 | 74 | 75 | 65 | 65 | 81 | 86 | 91 | 85 | |
| 43R401 | Namur | 82 | 91 | 88 | 78 | 78 | 65 | 76 | 66 | 66 | 68 | 75 | 80 | 76 | 79 | |
| 45R502 | Lodelinsart | 83 | 85 | 83 | 73 | 68 | 54 | 69 | 65 | 52 | 51 | 75 | 69 | 74 | 82 | |
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 83 | 93 | 98 | 71 | 77 | 61 | 74 | 70 | 64 | 63 | 76 | 77 | 75 | 79 | ||
| Flanders | 95 | 105 | 110 | 71 | 81 | 68 | 78 | 70 | 66 | 65 | 83 | 78 | 82 | 87 | ||
| Wallonia | 85 | 93 | 88 | 76 | 76 | 64 | 79 | 73 | 65 | 63 | 78 | 80 | 87 | 88 | ||
| Belgium | 89 | 98 | 97 | 74 | 78 | 66 | 78 | 72 | 65 | 64 | 80 | 79 | 84 | 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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