previous 14 days
O3 concentrations per day (µg/m3), 14/12/2025 - 27/12/2025
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

Codecity14/1215/1216/1217/1218/1219/1220/1221/1222/1223/1224/1225/1226/1227/12
41B011 Sint-Agatha-Berchem 40 37 47 51 57 62 28 23 17 34 56 52 18 52
41MEU1 Neder-Over-Heembeek 41 40 45 53 58 56 15 25 14 34 57 52 23 54
41N043 Voorhaven (Haren) NA 22 22 42 50 47 14 20 6 30 55 51 20 52
41R001 Sint-Jans-Molenbeek 35 34 38 45 52 50 17 17 8 30 45 43 12 35
41R012 Ukkel 42 40 44 54 59 55 25 28 25 36 55 50 22 52
42N016 Dessel 40 37 42 45 50 54 34 22 24 39 57 53 30 57
42N027 Bree 41 36 36 32 57 71 35 25 34 38 57 47 26 56
42N035 Aarschot 42 42 45 49 56 62 32 36 27 40 58 52 29 59
42N040 Sint-Pieters-Leeuw 42 47 47 53 57 69 31 37 28 38 53 49 20 51
42N046 Gellik 43 37 40 54 57 69 31 29 18 40 54 43 30 36
42N047 Hasselt 42 40 45 44 56 65 37 33 24 38 59 46 28 59
42R801 Borgerhout 40 37 31 43 54 50 17 21 17 34 56 53 22 50
42R811 Schoten 43 39 36 41 57 55 29 32 24 38 60 55 29 56
42R842 Mechelen (Hendrik Speecqvest) 38 34 40 48 58 56 17 25 19 33 55 52 21 48
44M705 Roeselare (Haven) 49 43 37 55 57 66 39 27 18 32 57 54 20 59
44N012 Moerkerke 44 40 45 52 57 65 35 21 15 34 57 55 22 54
44N029 Houtem (Veurne) 44 41 36 61 55 71 33 24 20 26 53 51 22 52
44R701 Gent (Baudelopark) 44 40 41 54 60 49 35 25 13 32 56 50 22 51
44R710 Destelbergen 47 43 45 54 60 67 31 29 15 37 55 56 26 53
43N060 Havinnes 47 42 46 31 NA NA 18 26 17 31 54 51 19 49
43N064 Rixensart 44 47 51 57 64 68 16 30 17 43 58 50 28 53
43N066 Eupen 44 50 60 52 56 58 38 58 48 42 55 42 43 57
43N070 Mons 34 42 40 46 51 46 21 32 19 35 56 50 24 53
43N073 Vezin 45 48 53 55 59 60 26 46 24 36 55 41 23 30
43N085 Vielsalm 28 37 38 42 48 56 30 36 30 37 60 46 41 64
43N093 Sinsin 46 51 50 58 61 66 29 61 28 40 59 47 39 51
43N100 Dourbes 46 50 58 54 58 64 37 53 32 39 60 44 25 40
43N113 Saint-Ode 40 43 46 52 57 68 46 55 33 40 64 47 46 71
43N121 Offagne 26 31 33 37 49 52 25 45 20 28 52 37 37 63
43N132 Habay-La-Neuve 35 36 31 27 48 56 35 41 26 37 62 44 38 67
43R221 Herstal 40 39 44 53 56 58 11 18 3 38 53 39 21 20
43R222 Liège (ISSeP) 43 46 52 57 61 66 15 25 13 40 57 42 22 26
43R240 Engis 36 41 46 49 53 53 9 31 5 35 53 39 20 23
43R401 Namur 47 42 46 54 55 63 15 32 18 29 49 38 15 28
45R502 Lodelinsart 38 44 43 49 52 51 10 33 13 30 52 41 17 40
 
Interpolated spatial average in :
Brussels3739424956542024163354492045
Flanders4341425160633027213759532851
Wallonia3744454956582639233759463247
Belgium4042445058602734223759493049
 
% 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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