previous 14 days
O3 concentrations per day (µg/m3), 19/03/2026 - 01/04/2026
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

Codecity19/0320/0321/0322/0323/0324/0325/0326/0327/0328/0329/0330/0331/0301/04
41B011 Sint-Agatha-Berchem 111 92 76 91 86 97 82 80 79 84 81 86 75 85
41MEU1 Neder-Over-Heembeek 109 43 74 88 82 90 80 80 73 85 76 87 76 86
41N043 Voorhaven (Haren) 100 13 NA NA 76 83 75 77 63 80 73 85 72 74
41R001 Sint-Jans-Molenbeek 91 79 67 80 67 86 76 70 62 71 72 75 61 67
41R012 Ukkel 108 93 76 92 85 97 83 79 79 85 77 81 75 84
42N016 Dessel 107 96 82 92 96 99 83 84 80 88 80 88 83 93
42N027 Bree 109 95 81 86 101 63 82 73 85 87 85 88 81 69
42N035 Aarschot NA 101 84 95 93 105 86 86 85 88 85 89 83 93
42N040 Sint-Pieters-Leeuw NA 91 76 89 83 91 80 78 78 82 78 84 72 86
42N046 Gellik 93 46 NA NA NA 91 88 82 85 90 88 89 69 83
42N047 Hasselt 106 95 76 93 99 94 85 80 84 89 86 86 82 87
42R801 Borgerhout 104 94 80 91 74 92 84 81 77 85 80 88 72 89
42R811 Schoten NA NA NA NA 75 96 88 82 78 90 82 90 84 102
42R842 Mechelen (Hendrik Speecqvest) NA 79 71 84 73 94 80 75 74 83 76 84 73 83
44M705 Roeselare (Haven) 95 89 67 NA 82 99 87 83 79 89 84 87 82 NA
44N012 Moerkerke 97 86 62 80 82 94 87 83 81 86 84 88 NA 75
44N029 Houtem (Veurne) 81 71 71 46 80 89 83 83 81 86 81 89 82 64
44R701 Gent (Baudelopark) 105 96 69 94 86 107 85 78 76 85 81 86 73 83
44R710 Destelbergen 108 90 80 96 89 105 88 81 79 87 81 87 77 86
43N060 Havinnes 97 91 69 76 78 82 71 73 69 73 68 73 66 71
43N064 Rixensart 119 101 87 100 94 100 86 84 83 90 86 91 79 93
43N066 Eupen 100 85 84 93 95 95 86 70 80 79 81 79 71 86
43N070 Mons 116 106 80 89 82 83 77 78 66 85 73 81 70 82
43N073 Vezin 101 105 79 86 95 96 83 78 83 84 81 83 80 88
43N085 Vielsalm 100 105 88 93 95 94 79 75 76 74 78 73 71 84
43N093 Sinsin 98 94 90 92 99 100 86 80 83 88 86 87 85 85
43N100 Dourbes 110 109 100 96 108 106 90 86 90 95 89 89 94 97
43N113 Saint-Ode 103 108 92 93 98 100 90 86 87 86 85 87 88 90
43N121 Offagne 85 82 77 79 80 92 76 57 70 77 78 75 68 70
43N132 Habay-La-Neuve 101 103 89 91 94 97 83 77 80 82 79 82 85 87
43R221 Herstal 92 88 81 90 95 94 87 76 78 85 85 85 71 86
43R222 Liège (ISSeP) 101 93 86 94 96 98 90 79 83 88 88 85 75 84
43R240 Engis 100 90 81 91 95 95 85 71 82 84 81 77 76 78
43R401 Namur 95 90 80 85 93 97 86 80 83 85 83 84 81 85
45R502 Lodelinsart 101 99 75 87 82 92 79 74 73 82 75 78 68 81
 
Interpolated spatial average in :
Brussels107897287809280777382-9999847281
Flanders107937485909583818086-9999877882
Wallonia103988388939481777882-9999817783
Belgium105967986919482797983-9999837883
 
% 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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