| Code | city | 23/02 | 24/02 | 25/02 | 26/02 | 27/02 | 28/02 | 01/03 | 02/03 | 03/03 | 04/03 | 05/03 | 06/03 | 07/03 | 08/03 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B011 | Sint-Agatha-Berchem | 76 | 68 | 64 | 82 | 71 | 70 | 75 | 77 | 67 | 63 | 94 | 101 | 96 | 117 | |
| 41MEU1 | Neder-Over-Heembeek | 71 | 66 | 56 | 69 | 63 | 65 | 74 | 75 | 70 | 64 | 81 | 91 | 97 | 115 | |
| 41N043 | Voorhaven (Haren) | 69 | 64 | 58 | 69 | 62 | 65 | 72 | 74 | 59 | 52 | 74 | 83 | 81 | 108 | |
| 41R001 | Sint-Jans-Molenbeek | 72 | 67 | 58 | 71 | 57 | 57 | 62 | 61 | 46 | 37 | 72 | 81 | 90 | 106 | |
| 41R012 | Ukkel | 73 | 68 | 67 | 64 | 68 | 69 | 72 | 69 | 65 | 63 | 86 | 98 | 98 | 108 | |
| 42N016 | Dessel | 75 | 65 | 73 | 78 | 66 | 79 | 77 | 76 | 84 | 84 | 80 | 99 | 94 | 117 | |
| 42N027 | Bree | 79 | 66 | 54 | NA | 74 | 79 | 71 | 78 | 86 | 79 | 94 | 102 | 98 | 110 | |
| 42N035 | Aarschot | 80 | 73 | 73 | 85 | 69 | 82 | 79 | 80 | 87 | 87 | 95 | 108 | 104 | NA | |
| 42N040 | Sint-Pieters-Leeuw | 77 | 68 | 68 | 77 | 75 | 68 | NA | NA | NA | NA | NA | NA | NA | NA | |
| 42N046 | Gellik | 79 | 71 | 64 | 82 | 74 | 73 | 67 | 71 | 73 | 64 | 96 | 101 | 98 | 104 | |
| 42N047 | Hasselt | 80 | 67 | 66 | 83 | 72 | 73 | 73 | 71 | 77 | 75 | 98 | 98 | 104 | 119 | |
| 42R801 | Borgerhout | 74 | 70 | 57 | 73 | 63 | 65 | NA | NA | NA | NA | NA | NA | NA | NA | |
| 42R811 | Schoten | 78 | 71 | 61 | 78 | 76 | 64 | NA | NA | NA | NA | NA | NA | 97 | 121 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 80 | 73 | 53 | 80 | 69 | 60 | NA | NA | NA | NA | NA | NA | 96 | 114 | |
| 44M705 | Roeselare (Haven) | 76 | 82 | 69 | 82 | 77 | 78 | 77 | 71 | 72 | 74 | 90 | 94 | 91 | 107 | |
| 44N012 | Moerkerke | 76 | 83 | 65 | 82 | 71 | 81 | 79 | 61 | 68 | 66 | 87 | 93 | 89 | 102 | |
| 44N029 | Houtem (Veurne) | 80 | 85 | 80 | 78 | 80 | 87 | 88 | 74 | 68 | 68 | 97 | 94 | 87 | 113 | |
| 44R701 | Gent (Baudelopark) | 79 | 78 | 66 | 78 | 72 | 74 | 82 | 69 | 59 | 74 | 91 | 100 | 95 | 113 | |
| 44R710 | Destelbergen | 82 | 80 | 59 | 81 | 68 | 75 | 81 | 73 | 70 | 78 | 97 | 107 | 102 | 116 | |
| 43N060 | Havinnes | 66 | 64 | 72 | 69 | 64 | 71 | 71 | 66 | 69 | 76 | 86 | 96 | 92 | 109 | |
| 43N064 | Rixensart | 79 | 71 | 65 | 82 | 70 | 77 | 77 | 77 | 80 | 73 | 98 | 103 | 104 | 118 | |
| 43N066 | Eupen | 75 | 70 | 71 | 76 | 73 | 63 | 49 | 73 | 34 | NA | NA | NA | 99 | 111 | |
| 43N070 | Mons | 71 | 63 | 72 | 70 | 55 | 73 | 71 | 71 | 72 | 67 | 84 | 86 | 87 | 113 | |
| 43N073 | Vezin | 75 | 68 | 68 | 80 | 72 | 75 | 68 | 66 | 81 | 61 | 98 | 103 | 103 | 112 | |
| 43N085 | Vielsalm | 72 | 67 | 69 | 80 | 69 | 69 | 68 | 78 | 56 | NA | NA | NA | 101 | 112 | |
| 43N093 | Sinsin | 79 | 70 | 67 | 82 | 76 | 72 | 64 | 73 | 83 | 85 | 100 | 107 | 108 | 115 | |
| 43N100 | Dourbes | 75 | 68 | 67 | 80 | 69 | 79 | 66 | 76 | 88 | 92 | 99 | 110 | 113 | 117 | |
| 43N113 | Saint-Ode | 77 | 67 | 77 | 82 | 79 | 69 | 70 | 82 | 85 | 94 | 90 | 104 | 106 | 110 | |
| 43N121 | Offagne | 74 | 61 | 71 | 77 | 76 | 72 | 62 | 81 | 82 | 90 | 95 | 104 | 107 | 109 | |
| 43N132 | Habay-La-Neuve | 75 | 68 | 61 | 75 | 76 | 67 | 66 | 79 | 74 | 80 | 97 | 106 | 109 | 113 | |
| 43R221 | Herstal | 76 | 66 | 70 | 78 | 67 | 63 | 60 | 67 | 9 | NA | NA | NA | NA | NA | |
| 43R222 | Liège (ISSeP) | 84 | 77 | 80 | 79 | 79 | 69 | 70 | 78 | 11 | NA | NA | NA | 62 | 114 | |
| 43R240 | Engis | 77 | 67 | 73 | 78 | 70 | 67 | 64 | 66 | 8 | NA | NA | NA | 105 | NA | |
| 43R401 | Namur | 75 | 65 | 63 | 79 | 72 | 68 | 60 | 59 | 76 | 51 | 94 | 102 | 97 | 101 | |
| 45R502 | Lodelinsart | 64 | 61 | 55 | 68 | 57 | 69 | 67 | 61 | 72 | 65 | 85 | 92 | 98 | 107 | |
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 73 | 69 | 59 | 73 | 67 | 67 | 70 | 70 | 62 | 63 | 84 | 97 | 94 | 110 | ||
| Flanders | 79 | 76 | 65 | 81 | 74 | 78 | 78 | 73 | 74 | 74 | 91 | 100 | 96 | 112 | ||
| Wallonia | 74 | 68 | 66 | 78 | 71 | 72 | 67 | 74 | 78 | 78 | 93 | 103 | 103 | 111 | ||
| Belgium | 76 | 72 | 66 | 79 | 72 | 75 | 72 | 73 | 76 | 76 | 92 | 102 | 100 | 112 | ||
| % 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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