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O3 concentrations per day (µg/m3), 29/05/2026 - 11/06/2026
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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

Codecity29/0530/0531/0501/0602/0603/0604/0605/0606/0607/0608/0609/0610/0611/06
41B011 Sint-Agatha-Berchem 130 102 94 82 73 66 71.5 60.5 75.5 76 85.5 64 71.5 63
41MEU1 Neder-Over-Heembeek 126.5 94.5 91 80.5 67 59 67 59 74.5 70 82 58 68 53.5
41N043 Voorhaven (Haren) 118.5 88 91 75.5 64.5 57.5 64.5 58 68.5 68.5 67.5 56.5 62 55.5
41R001 Sint-Jans-Molenbeek 132 103.5 94.5 80.5 69.5 65.5 65 61.5 71.5 72 83.5 58.5 66.5 55.5
41R012 Ukkel 129 93.5 84.5 78 71 61.5 70 60.5 72.5 73.5 82 62.5 69 60
42N016 Dessel 149 133 119 100.5 75 67 70.5 67 83 82 86.5 70 70 64.5
42N027 Bree 147.5 132.5 119 101.5 89 74.5 77.5 71 85.5 87 91 78.5 74.5 73.5
42N035 Aarschot 150 121 106.5 95.5 85.5 74 74.5 71.5 81.5 84.5 88 71.5 73 65.5
42N040 Sint-Pieters-Leeuw 129.5 110 84.5 81.5 74.5 66.5 70 69.5 78 76.5 90.5 67 71.5 63.5
42N046 Gellik 142 117 111 100 87.5 72.5 80 69 81.5 87.5 85 77 74 73.5
42N047 Hasselt 142.5 115 111.5 96 86 71.5 71 64.5 79.5 84.5 83.5 72 73.5 70.5
42R801 Borgerhout NA 122.5 107 92 74.5 72 72 67.5 77.5 81 95.5 68 70 63.5
42R811 Schoten 141.5 133.5 106 95 75.5 76 74.5 65.5 83.5 84 97 73.5 71 64.5
42R842 Mechelen (Hendrik Speecqvest) 124 101 95.5 80 69.5 64.5 65.5 62.5 77.5 74 89.5 63 63.5 55.5
44M705 Roeselare (Haven) 129.5 141 90.5 82 83 72 75.5 91.5 80.5 82.5 85 76.5 76.5 63.5
44N012 Moerkerke 133 151 90 77.5 80.5 71.5 78.5 90 80 80 80 77.5 79.5 66.5
44N029 Houtem (Veurne) 119.5 136.5 80.5 84 81.5 68 73 92 77 74 85 78 75.5 65
44R701 Gent (Baudelopark) 142.5 141 97.5 89.5 77.5 72.5 74.5 82 81 81 86.5 74.5 71 61.5
44R710 Destelbergen 144 134 96.5 91 80 76 76.5 81.5 80 84 86.5 76.5 73 65
43N060 Havinnes 111 168.5 79 76 66 59 59.5 73 70 68.5 80 64.5 63.5 56.5
43N064 Rixensart 132.5 97 87.5 88 80 70.5 76 68 79.5 84.5 88.5 70 77.5 65.5
43N066 Eupen 121 101 95.5 88.5 69.5 62.5 69 59 77 78 81.5 70.5 73 65
43N070 Mons 104.5 94 60 64 58 49 54 49 62.5 65.5 59 53.5 59.5 45.5
43N073 Vezin 126 108.5 88 84 74 64.5 69.5 61 76.5 79 77 66 68.5 60.5
43N085 Vielsalm 124.5 70 75.5 79 67 58 58.5 52.5 75 74.5 83 68 67 62.5
43N093 Sinsin 123.5 115.5 93 86.5 78 65.5 66.5 58.5 76 82 81 71 72.5 64.5
43N100 Dourbes 130.5 131 92.5 88 81.5 72.5 72.5 68 83 87.5 90 75 74 69
43N113 Saint-Ode 117.5 112.5 95 84 70.5 66 75.5 58.5 82.5 85.5 87.5 72.5 70.5 64
43N121 Offagne 107 112 82.5 NA 64.5 59.5 58 54 76.5 76.5 86 68 65.5 57
43N132 Habay-La-Neuve 120.5 117.5 83.5 83.5 65 61 67.5 57.5 77.5 82.5 77.5 71.5 69.5 64
43R221 Herstal 126.5 110.5 95 95.5 87.5 66 65 61.5 78.5 86.5 83 73 76.5 69
43R222 Liège (ISSeP) 144 107 101.5 96 93 71.5 71 66.5 76 86 87 73 76 53.5
43R240 Engis 117 83.5 86.5 83.5 76 60.5 58.5 57.5 68.5 75 75 63.5 68.5 60.5
43R401 Namur 125 112.5 92.5 84.5 79 69 72.5 64.5 76 82.5 82 70 73.5 65
45R502 Lodelinsart 116 104 NA 75 61 58 57.5 52.5 70.5 67 70.5 55 62.5 56.5
 
Interpolated spatial average in :
Brussels12895908071646962727483616959
Flanders132124978878717373788085727265
Wallonia119112838170636560747978686862
Belgium125117898473676966767981707063
 
% 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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