previous 14 days
O3 concentrations per day (µg/m3), 17/12/2025 - 30/12/2025
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

Codecity17/1218/1219/1220/1221/1222/1223/1224/1225/1226/1227/1228/1229/1230/12
41B011 Sint-Agatha-Berchem 51 57 62 28 23 17 34 56 52 18 52 68 34 59
41MEU1 Neder-Over-Heembeek 53 58 56 15 25 14 34 57 52 23 54 62 38 66
41N043 Voorhaven (Haren) 42 50 47 14 20 6 30 55 51 20 52 62 36 59
41R001 Sint-Jans-Molenbeek 45 52 50 17 17 8 30 45 43 12 35 48 24 48
41R012 Ukkel 54 59 55 25 28 25 36 55 50 22 52 61 49 65
42N016 Dessel 45 50 54 34 22 24 39 57 53 30 57 62 43 63
42N027 Bree 32 57 71 35 25 34 38 57 47 26 56 58 42 60
42N035 Aarschot 49 56 62 32 36 27 40 58 52 29 59 62 35 60
42N040 Sint-Pieters-Leeuw 53 57 69 31 37 28 38 53 49 20 51 65 27 61
42N046 Gellik 54 57 69 31 29 18 40 54 43 30 36 55 32 59
42N047 Hasselt 44 56 65 37 33 24 38 59 46 28 59 61 28 58
42R801 Borgerhout 43 54 50 17 21 17 34 56 53 22 50 61 33 57
42R811 Schoten 41 57 55 29 32 24 38 60 55 29 56 64 27 60
42R842 Mechelen (Hendrik Speecqvest) 48 58 56 17 25 19 33 55 52 21 48 57 35 57
44M705 Roeselare (Haven) 55 57 66 39 27 18 32 57 54 20 59 72 43 67
44N012 Moerkerke 52 57 65 35 21 15 34 57 55 22 54 68 51 69
44N029 Houtem (Veurne) 61 55 71 33 24 20 26 53 51 22 52 67 44 69
44R701 Gent (Baudelopark) 54 60 49 35 25 13 32 56 50 22 51 68 26 56
44R710 Destelbergen 54 60 67 31 29 15 37 55 56 26 53 71 27 72
43N060 Havinnes 31 NA NA 18 26 17 31 54 51 19 49 66 32 53
43N064 Rixensart 57 64 68 16 30 17 43 58 50 28 53 64 46 71
43N066 Eupen 52 56 58 38 58 48 42 55 42 43 57 62 64 51
43N070 Mons 46 51 46 21 32 19 35 56 50 24 53 64 40 55
43N073 Vezin 55 59 60 26 46 24 36 55 41 23 30 53 43 57
43N085 Vielsalm 42 48 56 30 36 30 37 60 46 41 64 66 67 64
43N093 Sinsin 58 61 66 29 61 28 40 59 47 39 51 61 76 65
43N100 Dourbes 54 58 64 37 53 32 39 60 44 25 40 61 69 73
43N113 Saint-Ode 52 57 68 46 55 33 40 64 47 46 71 71 73 74
43N121 Offagne 37 49 52 25 45 20 28 52 37 37 63 56 62 59
43N132 Habay-La-Neuve 27 48 56 35 41 26 37 62 44 38 67 70 74 76
43R221 Herstal 53 56 58 11 18 3 38 53 39 21 20 49 1 44
43R222 Liège (ISSeP) 57 61 66 15 25 13 40 57 42 22 26 60 9 42
43R240 Engis 49 53 53 9 31 5 35 53 39 20 23 50 14 34
43R401 Namur 54 55 63 15 32 18 29 49 38 15 28 46 33 49
45R502 Lodelinsart 49 52 51 10 33 13 30 52 41 17 40 53 37 59
 
Interpolated spatial average in :
Brussels4956542024163354492045592958
Flanders5160633027213759532851643364
Wallonia4956582639233759463247614963
Belgium5058602734223759493049624263
 
% 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

© IRCEL - CELINE