previous 14 days
O3 concentrations per day (µg/m3), 08/01/2026 - 21/01/2026
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

Codecity08/0109/0110/0111/0112/0113/0114/0115/0116/0117/0118/0119/0120/0121/01
41B011 Sint-Agatha-Berchem 59 76 49 56 59 40 37 68 76 52 26 14 42 50
41MEU1 Neder-Over-Heembeek 58 74 51 55 57 42 39 65 71 52 34 11 37 44
41N043 Voorhaven (Haren) 50 66 44 48 50 36 31 56 67 41 25 9 33 41
41R001 Sint-Jans-Molenbeek 54 72 34 48 53 35 31 58 63 39 18 5 31 38
41R012 Ukkel 61 76 45 54 59 47 39 72 70 49 49 17 43 51
42N016 Dessel 47 70 54 50 53 39 43 66 63 48 31 16 18 46
42N027 Bree 55 78 51 55 61 49 46 63 74 42 22 11 22 22
42N035 Aarschot 55 75 48 53 59 47 42 73 72 55 39 19 32 44
42N040 Sint-Pieters-Leeuw 62 74 47 57 60 44 40 70 73 54 53 18 51 55
42N046 Gellik 54 75 49 55 62 46 47 65 72 55 30 19 26 49
42N047 Hasselt 49 33 47 52 61 48 44 64 73 58 30 20 25 48
42R801 Borgerhout 46 69 48 49 51 37 34 57 68 35 39 7 23 35
42R811 Schoten 50 76 48 51 53 38 45 65 75 44 44 10 26 46
42R842 Mechelen (Hendrik Speecqvest) 53 76 44 55 58 40 38 63 73 47 35 8 33 41
44M705 Roeselare (Haven) 69 74 59 57 71 42 50 61 76 55 45 20 46 53
44N012 Moerkerke 56 73 53 58 68 41 54 61 72 53 21 22 42 54
44N029 Houtem (Veurne) 72 77 60 60 71 48 60 62 71 49 35 29 42 47
44R701 Gent (Baudelopark) 65 78 48 57 60 40 40 65 77 53 48 23 41 51
44R710 Destelbergen 66 76 46 59 60 41 40 66 77 55 49 28 44 54
43N060 Havinnes 55 73 53 54 54 40 36 58 73 42 47 22 45 49
43N064 Rixensart 63 80 51 59 63 53 45 78 74 62 42 21 42 58
43N066 Eupen 51 64 41 49 56 44 47 60 62 66 45 24 55 72
43N070 Mons 60 75 47 55 56 40 38 64 65 51 47 19 40 52
43N073 Vezin 63 78 48 57 61 52 49 67 73 68 59 23 37 55
43N085 Vielsalm 47 NA 41 50 52 38 39 51 57 46 52 24 26 49
43N093 Sinsin 68 83 49 59 65 53 54 70 75 72 45 24 33 43
43N100 Dourbes 73 79 55 58 59 53 51 69 71 70 60 22 51 57
43N113 Saint-Ode 68 81 50 58 60 52 52 67 71 70 68 25 30 62
43N121 Offagne 53 66 37 46 47 NA 27 56 54 52 47 18 15 35
43N132 Habay-La-Neuve 62 72 53 49 51 47 43 62 64 57 49 27 22 23
43R221 Herstal 48 73 41 50 59 46 45 63 71 60 20 17 26 49
43R222 Liège (ISSeP) 60 79 42 56 65 53 50 70 74 65 20 25 38 60
43R240 Engis 51 68 38 50 55 45 44 64 68 61 21 23 26 58
43R401 Namur 59 77 NA 53 57 49 48 65 71 56 30 22 35 45
45R502 Lodelinsart 54 67 41 48 53 42 36 63 63 54 45 14 32 48
 
Interpolated spatial average in :
Brussels5874415256433666704630133545
Flanders5877515661444566755136213547
Wallonia6176475358484564675844223148
Belgium6077495559464565715540223347
 
% 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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