previous 14 days
O3 concentrations per day (µg/m3), 11/01/2026 - 24/01/2026
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

Codecity11/0112/0113/0114/0115/0116/0117/0118/0119/0120/0121/0122/0123/0124/01
41B011 Sint-Agatha-Berchem 56 59 40 37 68 76 52 26 14 42 50 42 49 65
41MEU1 Neder-Over-Heembeek 55 57 42 39 65 71 52 34 11 37 44 41 54 66
41N043 Voorhaven (Haren) 48 50 36 31 56 67 41 25 9 33 41 31 44 56
41R001 Sint-Jans-Molenbeek 48 53 35 31 58 63 39 18 5 31 38 32 39 54
41R012 Ukkel 54 59 47 39 72 70 49 49 17 43 51 44 54 66
42N016 Dessel 50 53 39 43 66 63 48 31 16 18 46 32 39 59
42N027 Bree 55 61 49 46 63 74 42 22 11 22 22 23 32 47
42N035 Aarschot 53 59 47 42 73 72 55 39 19 32 44 44 50 64
42N040 Sint-Pieters-Leeuw 57 60 44 40 70 73 54 53 18 51 55 51 56 71
42N046 Gellik 55 62 46 47 65 72 55 30 19 26 49 31 46 48
42N047 Hasselt 52 61 48 44 64 73 58 30 20 25 48 34 48 63
42R801 Borgerhout 49 51 37 34 57 68 35 39 7 23 35 33 28 NA
42R811 Schoten 51 53 38 45 65 75 44 44 10 26 46 37 47 64
42R842 Mechelen (Hendrik Speecqvest) 55 58 40 38 63 73 47 35 8 33 41 39 47 62
44M705 Roeselare (Haven) 57 71 42 50 61 76 55 45 20 46 53 47 56 60
44N012 Moerkerke 58 68 41 54 61 72 53 21 22 42 54 45 56 64
44N029 Houtem (Veurne) 60 71 48 60 62 71 49 35 29 42 47 48 54 60
44R701 Gent (Baudelopark) 57 60 40 40 65 77 53 48 23 41 51 45 57 69
44R710 Destelbergen 59 60 41 40 66 77 55 49 28 44 54 49 58 71
43N060 Havinnes 54 54 40 36 58 73 42 47 22 45 49 48 56 74
43N064 Rixensart 59 63 53 45 78 74 62 42 21 42 58 52 63 71
43N066 Eupen 49 56 44 47 60 62 66 45 24 55 72 68 59 61
43N070 Mons 55 56 40 38 64 65 51 47 19 40 52 48 53 76
43N073 Vezin 57 61 52 49 67 73 68 59 23 37 55 53 56 67
43N085 Vielsalm 50 52 38 39 51 57 46 52 24 26 49 48 44 60
43N093 Sinsin 59 65 53 54 70 75 72 45 24 33 43 49 57 67
43N100 Dourbes 58 59 53 51 69 71 70 60 22 51 57 49 60 71
43N113 Saint-Ode 58 60 52 52 67 71 70 68 25 30 62 44 44 66
43N121 Offagne 46 47 NA 27 56 54 52 47 18 15 35 27 44 53
43N132 Habay-La-Neuve 49 51 47 43 62 64 57 49 27 22 23 19 37 59
43R221 Herstal 50 59 46 45 63 71 60 20 17 26 49 41 44 59
43R222 Liège (ISSeP) 56 65 53 50 70 74 65 20 25 38 60 57 55 60
43R240 Engis 50 55 45 44 64 68 61 21 23 26 58 55 51 57
43R401 Namur 53 57 49 48 65 71 56 30 22 35 45 44 53 66
45R502 Lodelinsart 48 53 42 36 63 63 54 45 14 32 48 38 51 66
 
Interpolated spatial average in :
Brussels5256433666704630133545394762
Flanders5661444566755136213547434762
Wallonia5358484564675844223148445164
Belgium5559464565715540223347434963
 
% 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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