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O3 concentrations per day (µg/m3), 06/03/2026 - 19/03/2026
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

Codecity06/0307/0308/0309/0310/0311/0312/0313/0314/0315/0316/0317/0318/0319/03
41B011 Sint-Agatha-Berchem 70.5 20 38 85.5 67.5 69 78.5 82 78.5 82.5 77.5 82 89.5 110.5
41MEU1 Neder-Over-Heembeek 76 39 43.5 4 NA NA NA 73.5 70.5 78 64 NA 85 108.5
41N043 Voorhaven (Haren) 66.5 36 39 1.5 NA NA NA 68.5 67 73.5 64 66.5 78.5 100
41R001 Sint-Jans-Molenbeek 57.5 15 26 1 NA NA NA 65.5 65 71 60 71 80.5 91
41R012 Ukkel 72.5 29.5 48.5 37 NA NA NA 79 75.5 78.5 80 80.5 87.5 107.5
42N016 Dessel 67.5 46.5 52.5 7 NA NA NA 86.5 73 80.5 82 79.5 90 107
42N027 Bree 69 63 69 8.5 NA NA NA 86.5 76.5 82.5 80 79 86 109
42N035 Aarschot 73 45 73 86.5 74 65.5 77 77.5 80 81 67.5 NA NA NA
42N040 Sint-Pieters-Leeuw 61.5 20.5 52.5 81.5 71 69.5 73 80.5 80.5 77 66 NA NA NA
42N046 Gellik 57.5 49.5 73 19 NA NA NA 88 70.5 NA NA NA NA 92.5
42N047 Hasselt 66.5 56.5 88.5 2 NA NA NA 83.5 79.5 78.5 78 78.5 86 106
42R801 Borgerhout 43.5 37.5 51 3.5 NA NA NA NA NA 78.5 79.5 78.5 83 104
42R811 Schoten 55.5 36 57 83.5 61.5 68 76.5 84 70.5 78.5 66.5 NA NA NA
42R842 Mechelen (Hendrik Speecqvest) 47 31.5 38 70.5 62.5 58.5 76 70 77.5 79.5 68.5 NA NA NA
44M705 Roeselare (Haven) 59.5 44.5 40.5 79.5 65.5 75 82.5 82.5 82 87 80 86 86.5 94.5
44N012 Moerkerke NA NA 32.5 73 67.5 74.5 83 83.5 71 88 83 89.5 88.5 97
44N029 Houtem (Veurne) 54 58 36 73.5 65.5 78 83.5 85.5 80.5 85 80 85 88 81
44R701 Gent (Baudelopark) 6 16 45 79.5 62 71 79.5 80 75.5 84 77 89.5 89 105
44R710 Destelbergen 72.5 27.5 44.5 82 64.5 71 80 84.5 71.5 85.5 80 87 91 107.5
43N060 Havinnes 40 13 39 67.5 59 65 65.5 73.5 68 74.5 69 74 75.5 96.5
43N064 Rixensart 73.5 37 70 90 72 73.5 81 82 78.5 85 84.5 83 92 118.5
43N066 Eupen 56 72 81.5 85 70.5 70 75 73.5 61 73 70 69 82 100
43N070 Mons 47 22 72.5 69.5 58.5 56.5 69.5 65.5 69.5 73.5 75 73.5 87.5 115.5
43N073 Vezin 78.5 55 76 85.5 78.5 70.5 75.5 82 73 78 80 79 87.5 101
43N085 Vielsalm 58 86.5 93.5 79 67 64 71 74 66 62.5 68 71.5 82.5 100
43N093 Sinsin 72 74.5 95.5 84.5 78 78 77 83.5 76.5 76 78.5 79 85.5 98
43N100 Dourbes 90 86 102 96.5 87.5 81 80.5 93.5 83 85 87.5 86 95.5 109.5
43N113 Saint-Ode 67 85 99.5 88.5 89 77 78 87 79 78 80 78 88.5 102.5
43N121 Offagne 44 66.5 73.5 71.5 56.5 55.5 69 63.5 54 61.5 62 68.5 78.5 84.5
43N132 Habay-La-Neuve 57 85 88.5 82 64.5 68 72 80.5 75.5 72.5 70.5 75 79.5 100.5
43R221 Herstal 51 61 86 83 70 72 76.5 78 67.5 78 72.5 71 84.5 92
43R222 Liège (ISSeP) 69.5 63.5 88.5 84.5 78.5 77.5 80.5 77 70.5 80.5 73 77 87 101
43R240 Engis 73.5 61.5 73 86.5 73.5 73 77 76.5 59.5 74 75 76 86.5 100
43R401 Namur 72.5 43 82.5 81.5 79.5 71.5 77.5 79.5 74 78 78.5 78.5 79 95
45R502 Lodelinsart 64.5 31 91 79 67.5 57.5 73 65.5 70 70 67.5 73.5 80 100.5
 
Interpolated spatial average in :
Brussels66234083676376747276777686107
Flanders65415185697385837384838592107
Wallonia65597983697076797275757987103
Belgium65516684697180807379798289105
 
% 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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