previous 14 days
O3 concentrations per day (µg/m3), 06/08/2025 - 19/08/2025
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

Codecity06/0807/0808/0809/0810/0811/0812/0813/0814/0815/0816/0817/0818/0819/08
41B011 Sint-Agatha-Berchem 83 94 81 102 107 135 145 117 126 144 95 87 120 139
41MEU1 Neder-Over-Heembeek 82 94 80 106 109 128 143 125 134 140 95 85 122 138
41N043 Voorhaven (Haren) 85 95 83 107 109 134 140 122 131 139 99 86 NA NA
41R001 Sint-Jans-Molenbeek 83 92 80 97 102 125 132 118 125 131 92 83 114 129
41R012 Ukkel 82 96 85 103 110 125 141 129 133 150 95 87 93 144
42N016 Dessel 85 99 76 106 108 135 158 138 146 107 95 67 116 125
42N027 Bree 95 115 88 117 110 152 163 148 139 115 101 72 124 158
42N035 Aarschot 90 104 84 107 109 149 141 148 160 103 101 77 127 138
42N040 Sint-Pieters-Leeuw 85 95 82 102 105 126 147 124 122 141 94 93 126 146
42N046 Gellik 83 107 81 106 116 135 145 141 123 106 96 73 118 138
42N047 Hasselt 91 112 87 113 108 144 143 157 164 115 101 75 124 146
42R801 Borgerhout 87 98 81 94 115 135 158 127 118 99 98 82 118 131
42R811 Schoten 89 104 80 91 115 137 170 138 126 98 89 75 118 130
42R842 Mechelen (Hendrik Speecqvest) 76 89 76 98 117 133 142 116 127 115 92 78 118 123
44M705 Roeselare (Haven) 85 94 84 95 98 145 171 113 47 93 102 86 120 142
44N012 Moerkerke 87 94 83 87 87 143 158 112 100 90 99 78 92 111
44N029 Houtem (Veurne) 80 92 73 81 87 143 161 104 90 91 106 82 84 110
44R701 Gent (Baudelopark) 84 93 81 87 104 135 171 129 114 86 99 83 114 142
44R710 Destelbergen 85 96 81 88 104 135 168 132 116 88 97 87 115 142
43N060 Havinnes 94 95 85 101 108 123 148 119 117 102 96 100 116 134
43N064 Rixensart 93 101 87 103 118 129 142 130 133 134 100 86 132 141
43N066 Eupen 82 88 84 98 107 107 119 115 117 NA 58 72 97 130
43N070 Mons 86 78 63 85 99 122 123 108 114 109 96 100 105 130
43N073 Vezin 90 103 78 99 106 120 130 127 138 109 97 81 124 141
43N085 Vielsalm 65 89 80 84 NA 104 136 111 115 111 87 81 99 127
43N093 Sinsin 83 99 81 90 101 103 129 112 125 114 91 89 103 126
43N100 Dourbes 76 105 78 80 107 103 122 106 123 105 88 81 91 107
43N113 Saint-Ode 74 92 91 91 100 106 145 114 127 109 86 79 89 112
43N121 Offagne 79 101 88 93 93 104 127 101 115 113 86 91 87 104
43N132 Habay-La-Neuve 76 95 98 91 90 112 143 111 122 122 94 88 99 126
43R221 Herstal 85 92 75 96 113 113 129 139 151 119 90 87 116 136
43R222 Liège (ISSeP) 87 93 75 102 112 113 132 125 158 120 92 88 112 131
43R240 Engis 81 91 80 90 109 111 123 120 133 104 85 72 108 130
43R401 Namur 87 100 80 95 99 98 119 119 136 98 87 74 109 132
45R502 Lodelinsart 79 88 74 86 97 110 118 96 120 108 87 75 108 128
 
Interpolated spatial average in :
Brussels849582991061291391221281289484117135
Flanders8910084961051371551271211029880115135
Wallonia829680901011131321121191108983104123
Belgium859882931031241421191201079381109128
 
% 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

© IRCEL - CELINE