previous 14 days
O3 concentrations per day (µg/m3), 25/06/2025 - 08/07/2025
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)

Codecity25/0626/0627/0628/0629/0630/0601/0702/07[O3]
03/0704/0705/0706/0707/0708/07
41B011 Sint-Agatha-Berchem 101 72 73 54 94 118 119 170 82 117 82 50 71 73
41MEU1 Neder-Over-Heembeek 101 38 60 NA NA 99 NA NA NA 119 82 52 76 79
41N043 Voorhaven (Haren) 101 71 72 55 98 115 117 172 85 118 85 54 76 77
41R001 Sint-Jans-Molenbeek 100 69 70 54 95 115 118 171 79 118 83 54 68 72
41R012 Ukkel 99 74 70 58 104 119 127 186 90 122 88 53 79 81
42N016 Dessel 106 71 93 57 99 133 137 161 94 109 85 53 72 74
42N027 Bree 111 81 101 76 109 148 139 165 100 121 100 73 83 89
42N035 Aarschot 108 75 86 62 119 130 130 190 98 116 93 58 82 81
42N040 Sint-Pieters-Leeuw 107 73 70 NA 95 125 125 163 86 119 87 56 74 79
42N046 Gellik 93 82 89 71 114 133 128 170 102 110 93 78 77 86
42N047 Hasselt 104 83 93 68 119 140 128 178 104 118 95 71 77 83
42R801 Borgerhout 108 73 85 56 77 134 142 150 87 122 87 54 82 78
42R811 Schoten 107 77 92 59 88 135 158 163 88 122 87 54 80 77
42R842 Mechelen (Hendrik Speecqvest) 108 70 69 49 90 114 129 179 83 113 79 52 75 74
44M705 Roeselare (Haven) 110 76 74 53 82 133 147 98 80 107 73 69 78 84
44N012 Moerkerke 77 80 84 57 75 128 167 106 81 101 70 70 79 78
44N029 Houtem (Veurne) 88 73 67 50 73 161 133 97 80 92 65 72 79 87
44R701 Gent (Baudelopark) 111 76 77 55 86 134 137 133 81 113 76 54 74 74
44R710 Destelbergen 109 77 78 54 84 133 132 131 82 113 78 52 72 73
43N060 Havinnes 104 76 69 50 87 136 146 136 93 123 78 60 79 83
43N064 Rixensart 112 74 79 58 110 125 135 174 98 116 92 58 82 83
43N066 Eupen 95 92 83 58 107 114 114 128 104 108 94 64 67 82
43N070 Mons 90 57 56 40 89 134 104 151 97 110 74 54 74 80
43N073 Vezin 108 78 68 61 120 131 124 152 110 110 89 65 84 80
43N085 Vielsalm 94 64 NA NA NA 89 112 129 100 101 79 62 58 65
43N093 Sinsin 112 86 80 57 120 108 122 121 104 110 91 78 88 88
43N100 Dourbes 108 83 68 47 100 96 113 123 100 107 85 69 77 83
43N113 Saint-Ode 76 79 64 52 96 94 119 126 105 105 96 73 63 79
43N121 Offagne 96 84 56 51 89 95 118 113 107 104 82 73 69 83
43N132 Habay-La-Neuve 102 88 45 59 82 95 132 121 96 105 98 72 70 80
43R221 Herstal 101 85 81 60 120 114 119 142 106 110 89 62 71 83
43R222 Liège (ISSeP) 101 84 78 61 58 121 119 157 109 114 90 69 72 86
43R240 Engis 98 72 64 55 126 120 114 165 104 102 83 66 68 78
43R401 Namur 105 84 68 61 101 115 120 156 107 101 88 66 80 82
45R502 Lodelinsart 100 55 60 35 88 113 110 156 89 105 76 51 71 76
 
Interpolated spatial average in :
Brussels102717155971191201718711685547575
Flanders102758360901351381419211383608083
Wallonia1027565539211012013310010883647381
Belgium102757356911211281379611083627682
 
% 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%<1%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%<1%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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