previous 14 days
O3 concentrations per day (µg/m3), 09/08/2025 - 22/08/2025
next 14 days


- Click on the figures in the table cells to get an evolution graph of daily concentrations
- Click on the date to get an interpolation map
- "NA" means no or not enough data were available

Codecity09/0810/0811/0812/0813/0814/0815/0816/0817/0818/0819/0820/0821/0822/08
41B011 Sint-Agatha-Berchem 102 107 135 145 117 126 144 95 87 120 139 94 90 84
41MEU1 Neder-Over-Heembeek 106 109 128 143 125 134 140 95 85 122 138 99 93 85
41N043 Voorhaven (Haren) 107 109 134 140 122 131 139 99 86 NA NA 92 83 73
41R001 Sint-Jans-Molenbeek 97 102 125 132 118 125 131 92 83 114 129 92 86 77
41R012 Ukkel 103 110 125 141 129 133 150 95 87 93 144 100 93 87
42N016 Dessel 106 108 135 158 138 146 107 95 67 116 125 99 84 74
42N027 Bree 117 110 152 163 148 139 115 101 72 124 158 101 93 81
42N035 Aarschot 107 109 149 141 148 160 103 101 77 127 138 100 91 84
42N040 Sint-Pieters-Leeuw 102 105 126 147 124 122 141 94 93 126 146 102 96 86
42N046 Gellik 106 116 135 145 141 123 106 96 73 118 138 88 96 71
42N047 Hasselt 113 108 144 143 157 164 115 101 75 124 146 101 95 72
42R801 Borgerhout 94 115 135 158 127 118 99 98 82 118 131 100 91 84
42R811 Schoten 91 115 137 170 138 126 98 89 75 118 130 96 86 84
42R842 Mechelen (Hendrik Speecqvest) 98 117 133 142 116 127 115 92 78 118 123 91 84 79
44M705 Roeselare (Haven) 95 98 145 171 113 47 93 102 86 120 142 85 81 88
44N012 Moerkerke 87 87 143 158 112 100 90 99 78 92 111 85 81 81
44N029 Houtem (Veurne) 81 87 143 161 104 90 91 106 82 84 110 82 79 86
44R701 Gent (Baudelopark) 87 104 135 171 129 114 86 99 83 114 142 91 78 84
44R710 Destelbergen 88 104 135 168 132 116 88 97 87 115 142 94 88 85
43N060 Havinnes 101 108 123 148 119 117 102 96 100 116 134 103 92 93
43N064 Rixensart 103 118 129 142 130 133 134 100 86 132 141 102 97 89
43N066 Eupen 98 107 107 119 115 117 NA 58 72 97 130 97 91 70
43N070 Mons 85 99 122 123 108 114 109 96 100 105 130 107 92 81
43N073 Vezin 99 106 120 130 127 138 109 97 81 124 141 107 99 78
43N085 Vielsalm 84 NA 104 136 111 115 111 87 81 99 127 88 91 72
43N093 Sinsin 90 101 103 129 112 125 114 91 89 103 126 103 100 80
43N100 Dourbes 80 107 103 122 106 123 105 88 81 91 107 95 94 76
43N113 Saint-Ode 91 100 106 145 114 127 109 86 79 89 112 96 99 78
43N121 Offagne 93 93 104 127 101 115 113 86 91 87 104 91 97 74
43N132 Habay-La-Neuve 91 90 112 143 111 122 122 94 88 99 126 81 99 76
43R221 Herstal 96 113 113 129 139 151 119 90 87 116 136 104 97 74
43R222 Liège (ISSeP) 102 112 113 132 125 158 120 92 88 112 131 103 96 77
43R240 Engis 90 109 111 123 120 133 104 85 72 108 130 97 92 72
43R401 Namur 95 99 98 119 119 136 98 87 74 109 132 94 92 75
45R502 Lodelinsart 86 97 110 118 96 120 108 87 75 108 128 89 88 72
 
Interpolated spatial average in :
Brussels991061291391221281289484117135969081
Flanders961051371551271211029880115135979085
Wallonia901011131321121191108983104123959678
Belgium931031241421191201079381109128969381
 
% of the population exposed to O3 concentrations > 180 μg/m³ in:
Brussels0%0%0%0%0%0%0%0%0%0%0%0%0%0%
Flanders0%0%0%0%0%0%0%0%0%0%0%0%0%0%
Wallonia0%0%0%0%0%0%0%0%0%0%0%0%0%0%
Belgium0%0%0%0%0%0%0%0%0%0%0%0%0%0%
 
% of the population exposed to O3 concentrations > 240 μg/m³ in:
Brussels0%0%0%0%0%0%0%0%0%0%0%0%0%0%
Flanders0%0%0%0%0%0%0%0%0%0%0%0%0%0%
Wallonia0%0%0%0%0%0%0%0%0%0%0%0%0%0%
Belgium0%0%0%0%0%0%0%0%0%0%0%0%0%0%

Color legend:Kleurlegende

These data are not validated : they should not be used for any study whatsoever
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