previous 14 days
O3 concentrations per day (µg/m3), 20/11/2025 - 03/12/2025
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

Codecity20/1121/1122/1123/1124/1125/1126/1127/1128/1129/1130/1101/1202/1203/12
41B011 Sint-Agatha-Berchem 64 51 55 65 55 29 33 41 36 61 69 55 57 53
41MEU1 Neder-Over-Heembeek 69 54 54 64 48 39 45 39 37 53 65 58 59 54
41N043 Voorhaven (Haren) 67 47 47 59 44 34 39 35 34 48 63 45 35 48
41R001 Sint-Jans-Molenbeek 58 46 50 62 44 23 29 35 32 49 56 51 55 46
41R012 Ukkel 67 50 58 68 53 37 35 51 40 59 71 58 59 54
42N016 Dessel 54 42 48 61 51 44 44 42 38 50 67 59 61 39
42N027 Bree 62 44 54 67 52 52 43 47 44 63 73 63 66 43
42N035 Aarschot 65 44 51 67 55 42 42 50 43 61 71 60 62 43
42N040 Sint-Pieters-Leeuw 71 60 57 67 56 43 38 NA NA NA NA 56 57 51
42N046 Gellik 52 43 50 65 48 54 47 44 40 64 66 62 64 39
42N047 Hasselt 54 42 NA 47 46 52 46 47 42 66 69 61 57 42
42R801 Borgerhout 65 46 45 64 50 36 37 36 35 49 64 55 58 42
42R811 Schoten 55 50 49 68 53 36 40 40 36 54 72 56 59 47
42R842 Mechelen (Hendrik Speecqvest) 75 54 52 66 55 39 35 40 35 56 61 58 60 52
44M705 Roeselare (Haven) 76 63 NA 57 58 71 56 48 50 65 67 52 50 59
44N012 Moerkerke 75 63 45 61 56 73 63 49 50 63 74 57 51 64
44N029 Houtem (Veurne) 74 77 52 52 61 73 68 56 60 63 74 56 51 57
44R701 Gent (Baudelopark) 69 62 46 64 48 49 41 47 42 59 69 54 54 58
44R710 Destelbergen 64 57 47 64 49 51 31 49 45 59 67 57 56 61
43N060 Havinnes 77 64 49 62 55 66 44 38 34 63 77 59 55 69
43N064 Rixensart 69 61 59 70 47 46 52 51 42 61 73 65 65 61
43N066 Eupen 54 NA NA NA 50 42 33 44 41 54 59 57 53 37
43N070 Mons 61 44 46 53 33 33 32 33 32 45 53 52 52 38
43N073 Vezin 60 44 52 66 62 51 39 48 42 59 66 63 62 50
43N085 Vielsalm 60 51 54 45 47 48 42 41 35 48 64 51 40 37
43N093 Sinsin 67 45 56 70 60 60 43 50 43 68 63 66 62 44
43N100 Dourbes 68 56 53 62 57 60 40 51 46 64 64 62 57 56
43N113 Saint-Ode 70 54 55 58 62 56 48 54 44 61 76 64 51 52
43N121 Offagne 36 31 41 51 40 41 28 32 28 40 30 48 43 26
43N132 Habay-La-Neuve NA 55 46 47 56 53 46 46 37 48 57 60 38 38
43R221 Herstal 53 38 4 NA 49 44 40 41 37 53 56 58 56 28
43R222 Liège (ISSeP) 54 37 56 67 47 NA 38 46 44 58 62 63 64 43
43R240 Engis 47 29 47 64 46 41 36 38 35 48 59 56 52 38
43R401 Namur 65 52 43 63 66 49 34 44 40 63 64 62 60 47
45R502 Lodelinsart 60 44 48 60 43 43 36 39 34 46 52 56 55 40
 
Interpolated spatial average in :
Brussels6547536550303443385464565849
Flanders6553506454494648435870595954
Wallonia6047496152453945405359595344
Belgium6350496353474246415664595648
 
% 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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