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O3 concentrations per day (µg/m3), 03/04/2026 - 16/04/2026
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

Codecity03/0404/0405/0406/0407/0408/0409/0410/0411/0412/0413/0414/0415/0416/04
41B011 Sint-Agatha-Berchem 81 75 85.5 91.5 103.5 100.5 102 80 84 67 68 88.5 93.5 90.5
41MEU1 Neder-Over-Heembeek 72.5 69.5 81 91 108 102 102.5 80.5 88.5 71.5 75.5 90 99 90
41N043 Voorhaven (Haren) 68.5 66.5 77.5 84 99.5 94.5 98.5 75.5 80 68 63.5 82 87.5 86
41R001 Sint-Jans-Molenbeek 70 66 76.5 80.5 96.5 89.5 94 71.5 82 66 55.5 78.5 89.5 83.5
41R012 Ukkel 78.5 75 86 89 108.5 102 108.5 82 90 74 73.5 90.5 99 94
42N016 Dessel 87 82 84.5 98 100 107.5 112 84 95 78 85 94 107 92.5
42N027 Bree 77 NA NA NA 93 101.5 112 83 94.5 83.5 87 96 107.5 NA
42N035 Aarschot 87.5 83.5 89 97.5 107 125.5 120.5 83.5 94.5 79 91 97 112 95
42N040 Sint-Pieters-Leeuw 77.5 73.5 83 95.5 106.5 107 106 84 85.5 70 68.5 90.5 94 93
42N046 Gellik 84 82.5 88.5 95.5 97 98.5 114 84 95.5 83.5 90.5 91 106.5 95.5
42N047 Hasselt 84.5 82 89 97 100.5 120 116.5 83 94 81.5 85 91.5 106 92
42R801 Borgerhout 79.5 77.5 85.5 97.5 100 112.5 111 84 87.5 79.5 77.5 95 103.5 98
42R811 Schoten 81 81.5 86.5 98.5 104.5 118 117 83.5 93 81 82 101.5 108.5 101
42R842 Mechelen (Hendrik Speecqvest) 81 72.5 81.5 89.5 99.5 105.5 97 80.5 89.5 76.5 72.5 86.5 97.5 88.5
44M705 Roeselare (Haven) 83 85.5 86.5 90.5 109 110 106 91 95.5 82 79 102.5 95.5 91
44N012 Moerkerke 79.5 80.5 85.5 96 96 103.5 96 88.5 92 78.5 81.5 97.5 98.5 87
44N029 Houtem (Veurne) 75 76.5 82.5 90.5 100 112.5 101 90 86 79 88 92.5 76.5 84
44R701 Gent (Baudelopark) 75.5 77.5 88.5 97 103 112.5 108 86 85.5 80 71 98.5 96.5 89.5
44R710 Destelbergen 78 80 90 97 106 114 112.5 85 89.5 82 75 98 98.5 95
43N060 Havinnes 64 67.5 70.5 84.5 90 108 100 80.5 78.5 68.5 62 89 83 82.5
43N064 Rixensart 85.5 75.5 90 96 107 106 112 87 96 74.5 82 92 104.5 98
43N066 Eupen 83.5 74.5 82.5 86.5 98 89.5 100.5 78 92 78.5 81 92 98.5 86.5
43N070 Mons 69 64 78.5 90.5 96 111 94 81.5 75 56 59.5 86.5 85.5 81.5
43N073 Vezin 81 76.5 83.5 90 98.5 99.5 102 83.5 93.5 79 76.5 91 103.5 85.5
43N085 Vielsalm 76 65.5 83.5 88 96 95.5 101.5 85 91.5 80 89 87 96.5 95
43N093 Sinsin 81 77 88.5 90 96 98.5 104 88 89.5 81.5 72.5 88.5 101 93
43N100 Dourbes 86 79.5 93.5 94.5 108.5 110 112.5 92 96.5 87.5 81 94.5 109.5 100.5
43N113 Saint-Ode 82.5 74 92.5 87 98 96 104 86.5 86 82 91.5 87 98.5 95.5
43N121 Offagne 69.5 47.5 86 62.5 84.5 71.5 89 65 80 68 73 53 86 75.5
43N132 Habay-La-Neuve 77.5 66 80.5 91 98 92 102.5 84 79.5 80.5 86.5 84 87.5 94
43R221 Herstal 80 74.5 86.5 89.5 98 93 113.5 84 95.5 88.5 83.5 84.5 108.5 91
43R222 Liège (ISSeP) 84 78 88 92 100.5 98 108 84.5 97.5 81.5 84.5 87 106 91
43R240 Engis 79.5 73.5 83.5 88.5 98.5 88.5 105 81.5 91 76.5 80.5 85.5 103.5 87
43R401 Namur 80.5 77.5 87.5 89 90.5 94.5 102.5 87.5 91 80 78 91 102 92.5
45R502 Lodelinsart 72 66.5 77.5 84.5 91 100 95.5 78 89 65.5 71.5 84 95 75
 
Interpolated spatial average in :
Brussels767182891029910279867070879590
Flanders8079859510110810585907878959991
Wallonia77708387959610082867475849588
Belgium797484919810110283887676899789
 
% 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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