previous 14 days
O3 concentrations per day (µg/m3), 21/10/2025 - 03/11/2025
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

Codecity21/1022/1023/1024/1025/1026/1027/1028/1029/1030/1031/1001/1102/1103/11
41B011 Sint-Agatha-Berchem 58 52 69 60 59 57 56 64 55 59 43 64 61 46
41MEU1 Neder-Over-Heembeek 56 50 68 57 52 56 54 58 55 59 45 62 60 48
41N043 Voorhaven (Haren) 54 47 61 52 56 57 51 59 51 58 40 59 59 48
41R001 Sint-Jans-Molenbeek 58 46 65 56 56 52 54 51 50 55 41 58 55 45
41R012 Ukkel 61 49 74 63 61 60 58 65 58 63 47 67 62 54
42N016 Dessel NA NA NA 60 67 62 57 57 54 61 41 59 54 47
42N027 Bree NA NA NA NA NA 67 64 68 68 69 48 74 69 62
42N035 Aarschot NA NA NA 67 61 62 61 67 60 67 46 68 66 57
42N040 Sint-Pieters-Leeuw 63 56 73 63 60 60 61 66 60 66 49 71 68 53
42N046 Gellik NA NA NA NA NA 61 62 64 65 67 43 71 68 57
42N047 Hasselt NA NA NA 66 63 65 65 65 62 68 45 72 69 60
42R801 Borgerhout 62 NA 72 62 60 64 60 62 53 64 33 61 60 46
42R811 Schoten 60 50 75 66 61 64 62 61 55 58 43 63 65 46
42R842 Mechelen (Hendrik Speecqvest) 62 49 75 66 63 60 60 64 56 64 43 68 65 52
44M705 Roeselare (Haven) 68 65 81 73 63 67 62 69 66 66 49 74 73 55
44N012 Moerkerke 68 62 75 70 67 66 68 69 58 58 50 72 74 56
44N029 Houtem (Veurne) 74 67 85 74 74 71 67 74 NA NA 43 72 71 63
44R701 Gent (Baudelopark) 64 53 75 66 62 64 60 67 68 61 47 66 67 51
44R710 Destelbergen 64 50 75 67 61 65 59 70 63 63 52 68 72 53
43N060 Havinnes 74 68 78 73 67 69 69 73 69 65 54 70 73 53
43N064 Rixensart 67 69 78 64 64 65 63 69 62 70 51 72 69 55
43N066 Eupen 62 57 68 57 59 58 54 60 59 63 55 69 61 59
43N070 Mons 55 48 65 51 54 49 50 48 37 49 38 49 52 46
43N073 Vezin 68 65 72 63 63 66 61 67 57 69 52 72 66 57
43N085 Vielsalm 56 47 67 58 52 52 61 57 58 64 41 73 58 51
43N093 Sinsin 70 66 76 64 63 65 65 68 64 68 52 78 67 59
43N100 Dourbes 65 64 75 65 61 65 66 63 70 64 57 75 64 57
43N113 Saint-Ode 70 61 76 66 64 62 67 65 70 69 56 84 70 65
43N121 Offagne 66 63 71 51 46 56 50 37 48 47 45 46 45 37
43N132 Habay-La-Neuve 63 54 73 61 59 59 65 60 58 62 40 72 60 49
43R221 Herstal 64 65 74 58 62 62 59 55 55 63 40 65 66 60
43R222 Liège (ISSeP) 66 66 74 64 65 66 62 65 62 63 50 76 68 60
43R240 Engis 56 57 63 53 51 57 52 54 47 60 43 55 55 52
43R401 Namur 67 65 74 63 64 66 61 72 54 68 45 79 68 60
45R502 Lodelinsart 55 59 67 52 52 52 54 48 50 54 42 56 55 46
 
Interpolated spatial average in :
Brussels5951715859565763546144636049
Flanders6661826962656469646748686755
Wallonia6561766059596160586246666054
Belgium6661796460626364606447676354
 
% 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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