previous 14 days
O3 concentrations per day (µg/m3), 30/06/2025 - 13/07/2025
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)

Codecity30/0601/0702/07[O3]
03/0704/0705/0706/0707/0708/0709/0710/0711/0712/0713/07
41B011 Sint-Agatha-Berchem 118 119 170 82 117 82 50 71 73 111 104 105 101 87
41MEU1 Neder-Over-Heembeek 99 NA NA NA 119 82 52 76 79 121 106 111 106 92
41N043 Voorhaven (Haren) 115 117 172 85 118 85 54 76 77 115 105 112 104 91
41R001 Sint-Jans-Molenbeek 115 118 171 79 118 83 54 68 72 110 99 103 97 89
41R012 Ukkel 119 127 186 90 122 88 53 79 81 122 115 115 108 94
42N016 Dessel 133 137 161 94 109 85 53 72 74 100 111 83 97 111
42N027 Bree 148 139 165 100 121 100 73 83 89 114 111 83 94 127
42N035 Aarschot 130 130 190 98 116 93 58 82 81 120 119 93 99 117
42N040 Sint-Pieters-Leeuw 125 125 163 86 119 87 56 74 79 117 117 116 103 91
42N046 Gellik 133 128 170 102 110 93 78 77 86 104 103 NA 91 109
42N047 Hasselt 140 128 178 104 118 95 71 77 83 108 125 80 94 121
42R801 Borgerhout 134 142 150 87 122 87 54 82 78 107 107 109 98 111
42R811 Schoten 135 158 163 88 122 87 54 80 77 111 105 106 100 104
42R842 Mechelen (Hendrik Speecqvest) 114 129 179 83 113 79 52 75 74 112 105 99 98 105
44M705 Roeselare (Haven) 133 147 98 80 107 73 69 78 84 118 105 88 78 101
44N012 Moerkerke 128 167 106 81 101 70 70 79 78 111 114 80 77 46
44N029 Houtem (Veurne) 161 133 97 80 92 65 72 79 87 107 104 76 68 98
44R701 Gent (Baudelopark) 134 137 133 81 113 76 54 74 74 111 118 88 85 91
44R710 Destelbergen 133 132 131 82 113 78 52 72 73 112 115 89 90 94
43N060 Havinnes 136 146 136 93 123 78 60 79 83 128 115 114 111 105
43N064 Rixensart 125 135 174 98 116 92 58 82 83 124 119 106 104 97
43N066 Eupen 114 114 128 104 108 94 64 67 82 111 110 75 88 98
43N070 Mons 134 104 151 97 110 74 54 74 80 114 115 123 102 98
43N073 Vezin 131 124 152 110 110 89 65 84 80 116 133 81 92 106
43N085 Vielsalm 89 112 129 100 101 79 62 58 65 105 102 62 80 94
43N093 Sinsin 108 122 121 104 110 91 78 88 88 118 119 83 88 106
43N100 Dourbes 96 113 123 100 107 85 69 77 83 110 134 79 90 103
43N113 Saint-Ode 94 119 126 105 105 96 73 63 79 103 111 75 82 98
43N121 Offagne 95 118 113 107 104 82 73 69 83 99 104 77 87 95
43N132 Habay-La-Neuve 95 132 121 96 105 98 72 70 80 98 107 69 89 95
43R221 Herstal 114 119 142 106 110 89 62 71 83 114 115 74 89 96
43R222 Liège (ISSeP) 121 119 157 109 114 90 69 72 86 116 115 76 90 98
43R240 Engis 120 114 165 104 102 83 66 68 78 111 111 73 83 94
43R401 Namur 115 120 156 107 101 88 66 80 82 112 137 78 84 108
45R502 Lodelinsart 113 110 156 89 105 76 51 71 76 107 113 87 88 94
 
Interpolated spatial average in :
Brussels11912017187116855475751151081079992
Flanders13513814192113836080831141109390104
Wallonia11012013310010883647381110112848897
Belgium12112813796110836276821121118889100
 
% 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%<1%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%<1%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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