previous 14 days
O3 concentrations per day (µg/m3), 30/04/2025 - 13/05/2025
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

Codecity30/0401/0502/0503/0504/0505/0506/0507/0508/0509/0510/0511/0512/0513/05
41B011 Sint-Agatha-Berchem 147 147 139 100 87 73 97 94 110 117 123 117 108 137
41MEU1 Neder-Over-Heembeek 140 141 141 93 82 69 93 91 106 112 119 110 105 132
41N043 Voorhaven (Haren) 135 139 139 92 83 65 90 90 106 111 117 110 96 130
41R001 Sint-Jans-Molenbeek 128 141 127 100 81 68 89 85 101 110 114 109 100 126
41R012 Ukkel 137 146 145 91 89 76 100 94 113 112 121 113 104 139
42N016 Dessel 137 141 144 97 85 71 88 93 104 108 119 117 115 136
42N027 Bree 151 149 155 107 93 74 93 100 110 113 123 117 117 148
42N035 Aarschot 150 155 148 96 87 76 95 96 110 112 124 122 113 143
42N046 Gellik 143 149 141 92 90 75 94 96 105 106 117 115 113 142
42N047 Hasselt 160 153 144 94 91 76 94 97 110 111 125 121 116 148
42R801 Borgerhout 141 148 151 98 89 69 92 91 104 110 121 119 113 147
42R811 Schoten 145 150 154 95 85 68 91 90 104 112 124 125 118 146
42R842 Mechelen (Hendrik Speecqvest) 143 140 145 98 84 65 88 86 98 110 124 119 107 132
44M705 Roeselare (Haven) 143 NA 137 95 85 75 86 84 86 116 118 112 104 140
44N012 Moerkerke 127 164 126 88 85 72 91 90 88 115 124 119 128 136
44N029 Houtem (Veurne) 142 156 128 88 84 70 90 92 89 114 116 114 96 119
44R701 Gent (Baudelopark) 151 144 133 95 85 70 89 75 92 113 124 116 117 139
44R710 Destelbergen 148 142 132 91 83 69 91 75 92 112 122 113 117 138
43N060 Havinnes 143 135 118 75 79 69 91 74 96 106 112 103 87 125
43N064 Rixensart 148 152 141 77 89 81 102 98 112 114 122 119 110 140
43N066 Eupen 136 136 128 96 81 70 88 90 96 98 110 107 100 127
43N070 Mons 153 132 132 66 87 76 99 87 113 111 111 108 81 129
43N073 Vezin 152 148 129 82 86 73 95 96 105 107 114 118 103 133
43N085 Vielsalm 136 148 117 95 NA 82 43 92 103 107 123 121 105 115
43N093 Sinsin 145 144 121 93 83 74 96 92 104 106 118 122 111 133
43N100 Dourbes 140 144 117 82 84 74 98 94 105 111 116 118 93 117
43N113 Saint-Ode 133 137 125 113 80 74 91 84 97 101 111 121 108 126
43N121 Offagne 136 134 110 96 84 69 91 79 100 108 113 119 93 106
43N132 Habay-La-Neuve 139 137 102 96 79 76 83 81 95 101 110 116 87 111
43R221 Herstal 143 144 128 81 83 70 90 90 95 97 110 112 100 136
43R222 Liège (ISSeP) 146 147 125 88 83 74 92 92 96 101 116 122 100 138
43R240 Engis 148 142 122 70 81 69 90 92 96 100 114 119 96 129
43R401 Namur 135 145 127 87 85 71 93 90 97 100 111 110 98 119
45R502 Lodelinsart 145 135 123 79 83 71 94 89 106 105 111 111 93 124
 
Interpolated spatial average in :
Brussels1391431348885729591108113118112102135
Flanders1441501389187749492102114121116111138
Wallonia143141120838374949010310811411498124
Belgium1431451288785749491103110117115104130
 
% 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