previous 14 days
O3 concentrations per day (µg/m3), 31/05/2025 - 13/06/2025
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
[O3]"ozone day" : day with at least one exeedance in Belgium of the EU threshold for information of the public (180 μg/m3)

Codecity31/0501/0602/0603/0604/0605/0606/0607/0608/0609/0610/0611/0612/0613/06[O3]
41B011 Sint-Agatha-Berchem 104 87 83 103 83 76 93 62 80 100 77 131 135 163
41MEU1 Neder-Over-Heembeek 93 78 80 96 77 71 86 56 76 90 69 122 134 155
41N043 Voorhaven (Haren) 102 87 84 85 84 72 91 61 82 100 73 126 130 160
41R001 Sint-Jans-Molenbeek 104 84 81 83 80 74 90 59 77 98 72 124 125 157
41R012 Ukkel 108 85 85 102 82 76 94 61 81 91 74 133 131 156
42N016 Dessel 111 80 81 99 78 74 88 58 78 89 80 119 142 176
42N027 Bree 108 90 90 108 85 85 97 63 86 96 90 128 146 174
42N035 Aarschot 116 87 89 108 82 82 95 63 81 96 82 121 132 174
42N040 Sint-Pieters-Leeuw 98 84 86 101 82 76 93 60 80 93 74 132 131 158
42N046 Gellik 97 93 90 94 68 78 96 61 82 96 91 126 133 166
42N047 Hasselt 112 94 89 109 86 82 98 64 81 98 90 130 138 184
42R801 Borgerhout 103 88 90 99 82 82 89 68 81 99 80 118 131 162
42R811 Schoten NA NA 91 102 84 81 91 71 79 101 78 119 148 179
42R842 Mechelen (Hendrik Speecqvest) 91 80 79 95 75 77 86 61 77 93 72 120 130 162
44M705 Roeselare (Haven) 94 94 95 96 85 87 88 70 84 94 72 125 135 138
44N012 Moerkerke 61 93 90 98 89 91 89 74 84 91 80 129 140 118
44N029 Houtem (Veurne) 66 87 91 85 82 87 81 70 77 91 70 129 133 127
44R701 Gent (Baudelopark) 102 87 91 94 82 82 88 69 80 94 75 125 134 151
44R710 Destelbergen 100 88 91 96 85 83 88 68 79 92 76 124 130 180
43N060 Havinnes 91 74 84 79 72 67 79 51 70 83 63 117 117 147
43N064 Rixensart 109 91 91 114 88 80 102 65 87 97 85 132 133 161
43N066 Eupen NA NA NA NA NA 73 83 63 78 79 87 130 130 138
43N070 Mons 82 72 87 90 66 71 79 44 66 75 67 119 105 172
43N073 Vezin 87 NA 92 105 71 79 89 59 79 89 73 123 138 167
43N085 Vielsalm 74 NA 82 91 78 67 76 60 69 75 94 108 136 142
43N093 Sinsin 93 88 91 100 77 81 91 65 80 91 83 117 143 136
43N100 Dourbes 88 86 84 104 70 78 87 60 77 89 88 115 129 128
43N113 Saint-Ode 83 84 80 91 72 76 82 64 80 81 104 117 135 134
43N121 Offagne 83 88 84 91 75 69 82 63 73 83 105 111 127 139
43N132 Habay-La-Neuve 79 72 81 83 64 68 74 53 70 82 105 115 132 149
43R221 Herstal 95 90 89 93 69 75 87 61 81 92 91 126 123 156
43R222 Liège (ISSeP) 97 90 91 95 73 80 88 64 81 90 91 125 130 156
43R240 Engis 88 86 85 90 63 74 83 54 78 89 86 123 132 153
43R401 Namur 98 89 90 100 72 80 88 59 81 92 90 118 131 154
45R502 Lodelinsart 89 79 79 106 70 69 78 41 68 82 72 120 132 164
 
Interpolated spatial average in :
Brussels10385839881759360799676127130154
Flanders9590919983839267829683125137153
Wallonia8883879473748458758690119131145
Belgium9186899677788762789186122134149
 
% 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
The use or publication of the data is allowed only when the source (www.irceline.be) is acknowledged

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