previous 14 days
O3 concentrations per day (µg/m3), 02/04/2026 - 15/04/2026
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

Codecity02/0403/0404/0405/0406/0407/0408/0409/0410/0411/0412/0413/0414/0415/04
41B011 Sint-Agatha-Berchem 78 81 75 86 92 104 101 102 80 84 67 68 89 94
41MEU1 Neder-Over-Heembeek 77 73 70 81 91 108 102 103 81 89 72 76 90 99
41N043 Voorhaven (Haren) 65 69 67 78 84 100 95 99 76 80 68 64 82 88
41R001 Sint-Jans-Molenbeek 62 70 66 77 81 97 90 94 72 82 66 56 79 90
41R012 Ukkel 77 79 75 86 89 109 102 109 82 90 74 74 91 99
42N016 Dessel 80 87 82 85 98 100 108 112 84 95 78 85 94 107
42N027 Bree 74 77 NA NA NA 93 102 112 83 95 84 87 96 108
42N035 Aarschot 78 88 84 89 98 107 126 121 84 95 79 91 97 112
42N040 Sint-Pieters-Leeuw 75 78 74 83 96 107 107 106 84 86 70 69 91 94
42N046 Gellik 67 84 83 89 96 97 99 114 84 96 84 91 91 107
42N047 Hasselt 79 85 82 89 97 101 120 117 83 94 82 85 92 106
42R801 Borgerhout 78 80 78 86 98 100 113 111 84 88 80 78 95 104
42R811 Schoten 83 81 82 87 99 105 118 117 84 93 81 82 102 109
42R842 Mechelen (Hendrik Speecqvest) 74 81 73 82 90 100 106 97 81 90 77 73 87 98
44M705 Roeselare (Haven) 44 83 86 87 91 109 110 106 91 96 82 79 103 96
44N012 Moerkerke 84 80 81 86 96 96 104 96 89 92 79 82 98 99
44N029 Houtem (Veurne) 86 75 77 83 91 100 113 101 90 86 79 88 93 77
44R701 Gent (Baudelopark) 82 76 78 89 97 103 113 108 86 86 80 71 99 97
44R710 Destelbergen 83 78 80 90 97 106 114 113 85 90 82 75 98 99
43N060 Havinnes 73 64 68 71 85 90 108 100 81 79 69 62 89 83
43N064 Rixensart 82 86 76 90 96 107 106 112 87 96 75 82 92 105
43N066 Eupen 66 84 75 83 87 98 90 101 78 92 79 81 92 99
43N070 Mons 78 69 64 79 91 96 111 94 82 75 56 60 87 86
43N073 Vezin 69 81 77 84 90 99 100 102 84 94 79 77 91 104
43N085 Vielsalm 72 76 66 84 88 96 96 102 85 92 80 89 87 97
43N093 Sinsin 66 81 77 89 90 96 99 104 88 90 82 73 89 101
43N100 Dourbes 76 86 80 94 95 109 110 113 92 97 88 81 95 110
43N113 Saint-Ode 86 83 74 93 87 98 96 104 87 86 82 92 87 99
43N121 Offagne 69 70 48 86 63 85 72 89 65 80 68 73 53 86
43N132 Habay-La-Neuve 80 78 66 81 91 98 92 103 84 80 81 87 84 88
43R221 Herstal 61 80 75 87 90 98 93 114 84 96 89 84 85 109
43R222 Liège (ISSeP) 59 84 78 88 92 101 98 108 85 98 82 85 87 106
43R240 Engis 56 80 74 84 89 99 89 105 82 91 77 81 86 104
43R401 Namur 66 81 78 88 89 91 95 103 88 91 80 78 91 102
45R502 Lodelinsart 66 72 67 78 85 91 100 96 78 89 66 72 84 95
 
Interpolated spatial average in :
Brussels737671828910299102798670708795
Flanders7880798595101108105859078789599
Wallonia69777083879596100828674758495
Belgium737974849198101102838876768997
 
% 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
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