previous 14 days
O3 concentrations per day (µg/m3), 10/11/2025 - 23/11/2025
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

Codecity10/1111/1112/1113/1114/1115/1116/1117/1118/1119/1120/1121/1122/1123/11
41B011 Sint-Agatha-Berchem 51 58 48 52 46 48 44 66 46 51 64 51 55 65
41MEU1 Neder-Over-Heembeek 55 63 53 52 55 64 52 69 48 54 69 54 54 64
41N043 Voorhaven (Haren) 48 54 48 44 43 52 47 65 42 50 67 47 47 59
41R001 Sint-Jans-Molenbeek 50 58 47 48 46 48 42 60 41 40 58 46 50 62
41R012 Ukkel 55 64 54 57 54 55 51 68 49 55 67 50 58 68
42N016 Dessel 56 53 48 50 34 15 50 68 47 58 54 42 48 61
42N027 Bree 59 65 58 60 53 16 47 71 60 54 62 44 54 67
42N035 Aarschot 59 63 55 57 58 66 50 66 57 59 65 44 51 67
42N040 Sint-Pieters-Leeuw 53 62 55 55 54 69 52 70 48 62 71 60 57 67
42N046 Gellik 53 62 55 59 46 46 56 69 60 58 52 43 50 65
42N047 Hasselt 57 62 59 58 50 49 55 68 57 56 54 42 NA 47
42R801 Borgerhout 50 55 45 52 16 42 45 67 44 56 65 46 45 64
42R811 Schoten 55 60 53 54 30 36 46 70 47 55 55 50 49 68
42R842 Mechelen (Hendrik Speecqvest) 56 63 54 54 49 57 46 64 47 56 75 54 52 66
44M705 Roeselare (Haven) 49 63 53 47 33 60 40 72 55 77 76 63 NA 57
44N012 Moerkerke 51 61 51 47 40 36 43 77 60 74 75 63 45 61
44N029 Houtem (Veurne) 65 61 46 35 29 57 68 76 62 80 74 77 52 52
44R701 Gent (Baudelopark) 51 60 54 53 43 45 53 69 50 58 69 62 46 64
44R710 Destelbergen 54 61 55 53 46 48 48 76 56 64 64 57 47 64
43N060 Havinnes 53 65 54 52 50 49 48 77 45 76 77 64 49 62
43N064 Rixensart 62 67 59 60 56 64 55 73 49 59 69 61 59 70
43N066 Eupen 54 62 59 59 61 74 52 66 58 51 54 NA NA NA
43N070 Mons NA NA 50 51 43 47 47 66 44 50 61 44 46 53
43N073 Vezin 59 63 61 62 63 54 50 68 57 57 60 44 52 66
43N085 Vielsalm 54 62 44 57 60 57 53 65 52 45 60 51 54 45
43N093 Sinsin NA NA 65 64 70 62 59 70 62 62 67 45 56 70
43N100 Dourbes 59 66 64 68 69 64 53 71 61 60 68 56 53 62
43N113 Saint-Ode 58 71 59 62 62 64 70 62 65 61 70 54 55 58
43N121 Offagne 45 44 45 56 52 36 30 52 48 37 36 31 41 51
43N132 Habay-La-Neuve 49 66 54 62 55 65 63 61 57 NA NA 55 46 47
43R221 Herstal 50 65 56 56 50 47 43 59 46 48 53 38 4 NA
43R222 Liège (ISSeP) 59 68 63 64 63 60 51 61 50 49 54 37 56 67
43R240 Engis 53 56 53 58 59 41 37 61 39 44 47 29 47 64
43R401 Namur 57 63 59 61 51 56 52 64 55 59 65 52 43 63
45R502 Lodelinsart 51 60 54 53 54 47 51 62 37 48 60 44 48 60
 
Interpolated spatial average in :
Brussels5360515346514666454865475365
Flanders5664545338404873546165535064
Wallonia5464556058524866535160474961
Belgium5564555749474869535663504963
 
% 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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