previous 14 days
O3 concentrations per day (µg/m3), 30/03/2025 - 12/04/2025
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

Codecity30/0331/0301/0402/0403/0404/0405/0406/0407/0408/0409/0410/0411/0412/04
41B011 Sint-Agatha-Berchem 80 74 83 98 99 110 98 94 92 103 85 86 97 116
41MEU1 Neder-Over-Heembeek 82 77 82 97 97 116 100 95 94 105 90 88 99 120
41N043 Voorhaven (Haren) 82 75 82 96 96 111 100 95 90 100 89 89 97 114
41R001 Sint-Jans-Molenbeek 74 67 80 95 91 109 92 94 87 97 81 78 92 115
41R012 Ukkel 85 78 81 102 100 117 106 98 96 102 95 88 102 118
42N016 Dessel 82 88 87 99 107 117 95 91 87 97 86 93 104 114
42N027 Bree 87 90 87 99 109 118 99 94 93 101 91 97 109 118
42N035 Aarschot 84 85 87 102 106 121 101 95 95 101 91 96 104 122
42N046 Gellik 87 90 88 99 103 125 96 96 97 103 97 94 110 117
42N047 Hasselt 86 90 90 105 109 138 100 100 102 94 92 98 109 122
42R801 Borgerhout NA NA 81 92 97 116 99 94 89 106 90 89 105 114
42R811 Schoten 87 84 89 99 107 118 99 94 89 103 86 95 104 122
42R842 Mechelen (Hendrik Speecqvest) 82 76 83 98 99 114 91 93 89 93 81 82 88 121
44M705 Roeselare (Haven) 91 86 83 95 97 124 93 99 97 96 84 90 101 124
44N012 Moerkerke 66 58 77 91 97 119 81 87 85 93 88 97 103 126
44N029 Houtem (Veurne) 84 88 75 47 98 117 78 94 88 76 88 98 108 117
44R701 Gent (Baudelopark) 85 79 84 97 98 122 93 94 90 98 78 92 100 122
44R710 Destelbergen 84 79 87 98 103 123 94 95 89 98 80 88 99 123
43N060 Havinnes 76 83 76 88 98 114 100 84 93 97 81 89 99 114
43N064 Rixensart 89 89 93 106 109 127 110 104 109 107 102 93 112 127
43N066 Eupen 79 80 82 93 99 109 97 91 87 98 93 89 109 117
43N070 Mons 84 85 85 98 106 124 108 88 97 102 96 97 107 110
43N073 Vezin 72 79 83 90 102 119 103 88 89 97 98 92 108 125
43N085 Vielsalm 86 86 89 100 108 111 111 100 96 107 104 92 112 123
43N093 Sinsin 84 86 87 101 102 111 98 96 94 103 103 91 108 123
43N100 Dourbes 87 86 89 104 105 111 108 94 96 102 101 91 108 124
43N113 Saint-Ode 81 82 86 101 100 109 108 94 92 101 99 83 105 121
43N121 Offagne 83 83 87 100 99 107 109 93 92 101 104 89 106 118
43N132 Habay-La-Neuve 78 79 78 94 94 107 102 91 86 98 102 86 103 116
43R221 Herstal 85 84 85 97 103 108 94 90 83 95 95 89 107 117
43R222 Liège (ISSeP) 84 83 84 97 100 109 96 91 84 98 97 90 107 123
43R240 Engis 80 83 86 97 99 110 95 90 84 99 95 89 104 122
43R401 Namur 85 82 81 92 95 106 96 86 81 94 92 86 100 118
45R502 Lodelinsart 81 84 86 97 100 116 99 84 97 95 95 87 109 119
 
Interpolated spatial average in :
Brussels81778399991139994931018988100117
Flanders8484871001051199694961009396106119
Wallonia82858710010311210292931029991107118
Belgium8384871001041159993941019693107119
 
% 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

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