previous 14 days
O3 concentrations per day (µg/m3), 07/09/2025 - 20/09/2025
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

Codecity07/0908/0909/0910/0911/0912/0913/0914/0915/0916/0917/0918/0919/0920/09
41B011 Sint-Agatha-Berchem 101 75 83 79 59 61 66 70 73 68 66 46 95 64
41MEU1 Neder-Over-Heembeek 102 80 84 78 58 59 66 73 68 64 65 47 101 70
41N043 Voorhaven (Haren) 90 71 71 65 52 53 56 59 62 60 62 44 85 62
41R001 Sint-Jans-Molenbeek 93 72 67 67 52 54 61 65 65 57 61 45 87 61
41R012 Ukkel 97 81 80 75 60 63 67 68 74 63 71 51 98 70
42N016 Dessel 101 76 73 83 56 62 65 66 67 63 62 46 98 68
42N027 Bree 105 92 73 90 70 69 72 78 82 75 72 58 107 86
42N035 Aarschot 100 82 75 83 65 65 70 75 77 71 70 51 101 79
42N040 Sint-Pieters-Leeuw 101 84 84 78 60 64 64 69 71 66 71 46 98 69
42N046 Gellik 99 87 66 81 66 66 67 71 76 70 67 61 94 83
42N047 Hasselt 106 88 75 86 67 66 70 73 80 74 69 52 102 86
42R801 Borgerhout 96 77 78 75 57 67 68 73 70 68 65 55 95 69
42R811 Schoten 108 81 81 82 59 70 69 76 72 66 63 53 106 70
42R842 Mechelen (Hendrik Speecqvest) 98 67 81 77 60 62 69 70 71 63 66 49 99 70
44M705 Roeselare (Haven) 100 84 85 77 63 63 65 74 74 68 71 52 102 75
44N012 Moerkerke 101 81 77 72 63 62 67 75 78 70 68 51 104 71
44N029 Houtem (Veurne) 93 70 78 67 64 61 66 68 73 65 65 50 98 75
44R701 Gent (Baudelopark) 103 81 78 73 61 64 64 73 72 67 65 55 97 71
44R710 Destelbergen 104 80 77 75 62 66 63 72 73 69 66 55 100 68
43N060 Havinnes 94 85 91 76 63 70 71 69 81 74 75 54 101 75
43N064 Rixensart 105 84 87 83 65 70 72 75 79 73 78 50 108 81
43N066 Eupen 89 79 67 72 59 60 61 65 70 59 64 63 96 81
43N070 Mons 84 77 82 68 49 52 56 48 62 52 58 35 76 51
43N073 Vezin 103 88 83 79 66 68 65 65 74 62 76 71 98 85
43N085 Vielsalm 91 72 70 71 54 56 53 55 66 55 56 67 98 74
43N093 Sinsin 102 91 71 77 72 70 68 65 79 67 71 76 98 87
43N100 Dourbes 95 80 80 76 71 71 66 63 78 66 83 76 97 79
43N113 Saint-Ode 97 79 68 81 63 61 70 66 81 62 67 81 105 80
43N121 Offagne 96 78 71 74 60 56 58 58 79 66 66 81 92 76
43N132 Habay-La-Neuve 101 78 67 75 60 56 56 58 75 62 66 78 101 79
43R221 Herstal 98 88 51 73 66 64 65 69 76 65 64 62 99 83
43R222 Liège (ISSeP) 98 87 65 80 69 69 67 69 77 66 70 68 104 87
43R240 Engis 95 82 47 72 62 62 61 61 64 59 60 56 99 76
43R401 Namur 96 85 74 75 63 69 66 66 74 65 75 68 90 84
45R502 Lodelinsart 94 69 79 76 58 59 58 57 65 54 68 46 91 67
 
Interpolated spatial average in :
Brussels9576807457596366706367479366
Flanders101837980656768737770705310274
Wallonia9581747762646262756369659874
Belgium9782767863656467766670609974
 
% 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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