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O3 concentrations per day (µg/m3), 10/07/2026 - 23/07/2026
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- 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

Codecity10/0711/0712/0713/0714/0715/0716/0717/0718/0719/0720/0721/0722/0723/07
41B011 Sint-Agatha-Berchem 111.5 129 120.5 113.5 133 120 155 112 97.5 77.5 90 93.5 78.5 72.5
41MEU1 Neder-Over-Heembeek 109.5 127 117 113.5 128 119.5 158 105 99 76.5 90.5 94.5 78 72.5
41N043 Voorhaven (Haren) 100 120 109.5 104 116 112.5 142.5 98.5 91 72 82 79.5 67.5 63
41R001 Sint-Jans-Molenbeek 105 124.5 113.5 108.5 122.5 113.5 145.5 104.5 92 73 85 86.5 73.5 66
41R012 Ukkel 113.5 140 119.5 115.5 137.5 121.5 158.5 113 98.5 77 92 97.5 78 71
42N016 Dessel 110.5 138.5 115 123 130 122 144.5 118 103.5 82 93.5 99.5 67.5 87
42N027 Bree 109.5 151.5 129 123 132 130 161 128 110 86 97 102 81 97
42N035 Aarschot 114 153 122 130.5 138.5 124.5 145 124 112 87 98.5 101.5 80 86.5
42N040 Sint-Pieters-Leeuw 119.5 134 121.5 114 136 120.5 148.5 111.5 98 75 87.5 92.5 80.5 72
42N046 Gellik 132.5 144 124.5 135.5 143.5 137 162.5 126 119 83.5 94 100 83.5 99.5
42N047 Hasselt 113 147 130 124 137 139 162 121 114 83 94 97.5 80.5 91
42R801 Borgerhout 110.5 116 115.5 114 127.5 124.5 136.5 96.5 100.5 79 87 85.5 73 70.5
42R811 Schoten 110 116.5 115 111 129 125 132 102 101.5 79 87.5 89 78.5 74
42R842 Mechelen (Hendrik Speecqvest) 107.5 118 111.5 107.5 119.5 118.5 133 97 98 78.5 86 92.5 71.5 67
44M705 Roeselare (Haven) 132 137.5 139 104 143 124.5 120.5 119.5 107 84 82 91 84 72.5
44N012 Moerkerke 117 110.5 110.5 91 137.5 116.5 138 103 99.5 82 82 86.5 84.5 71
44N029 Houtem (Veurne) 101.5 110 107.5 97 136.5 125 104.5 120.5 101.5 78 80.5 80.5 83.5 76.5
44R701 Gent (Baudelopark) 126 126 126.5 117 151 127 113 100.5 94 78 80.5 84 79.5 69.5
44R710 Destelbergen 126.5 129.5 133 117.5 153 60 124.5 102.5 100.5 56 85.5 89.5 82.5 74
43N060 Havinnes 117.5 73 NA 145.5 155.5 120 135.5 113.5 100 80 82.5 83 78 67.5
43N064 Rixensart 120.5 72.5 NA NA NA 128.5 165.5 116.5 106 83 100 111.5 84.5 80
43N066 Eupen 119 127.5 108.5 147 143.5 132 143.5 132 115.5 79 89 94.5 82 94
43N070 Mons 116.5 138 124 120.5 135 124 133.5 98 96 76 83.5 92.5 79 69
43N073 Vezin 137 135.5 119 131 153.5 133.5 137.5 131.5 111.5 87.5 93 98.5 81.5 86.5
43N085 Vielsalm 118.5 112.5 95 114.5 142 119 125 110.5 116.5 80.5 85.5 93.5 84 92
43N093 Sinsin 121.5 129 107.5 146.5 152 135 144.5 130 119 93 93 88.5 90 91.5
43N100 Dourbes 139 142.5 122 146 159 148 149 136 119 91.5 104 113.5 93.5 92
43N113 Saint-Ode 118.5 120.5 97 107.5 135.5 118 128 133 126 86.5 87 95 90.5 97
43N121 Offagne 125.5 120 96.5 139.5 146.5 126 126.5 130.5 117.5 88 90.5 88 90 93
43N132 Habay-La-Neuve 113 117 101.5 102.5 121 117 138.5 129 114.5 83 83.5 91.5 84.5 92
43R221 Herstal 133.5 131.5 116 143 148 130.5 150 131.5 118 87.5 92.5 95 85.5 93.5
43R222 Liège (ISSeP) 131.5 133 115 143.5 149.5 135 149 135.5 116.5 85 90.5 92.5 74 89.5
43R240 Engis 129.5 129.5 112.5 136.5 140 128.5 138 131.5 111 81 90.5 88.5 81 90
43R401 Namur 132.5 131 113.5 120 145 131 134 127.5 110 83.5 90 98.5 83.5 81.5
45R502 Lodelinsart NA NA NA NA NA NA NA NA NA NA 95 110.5 81.5 77.5
 
Interpolated spatial average in :
Brussels109128116112128119147106977790927770
Flanders1141261181131341231311111028188918078
Wallonia1191251081201391241331191108389928485
Belgium1171261121171371241321151078288928282
 
% 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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