previous 14 days
O3 concentrations per day (µg/m3), 02/02/2026 - 15/02/2026
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

Codecity02/0203/0204/0205/0206/0207/0208/0209/0210/0211/0212/0213/0214/0215/02
41B011 Sint-Agatha-Berchem 43 58.5 58.5 39 69 69 70.5 46.5 56 79 67.5 64.5 64.5 62.5
41MEU1 Neder-Over-Heembeek 46.5 54 66 36 57.5 71.5 70 44 59 74 65 49 70.5 63.5
41N043 Voorhaven (Haren) 40.5 47.5 56.5 35 56.5 59 63 37.5 46 70 59.5 42 65 56.5
41R001 Sint-Jans-Molenbeek 36 52 51.5 31.5 44.5 59.5 58 40.5 47 64.5 52.5 51 52 56.5
41R012 Ukkel 41 63.5 60.5 41 66 70.5 66.5 51 65.5 79.5 72.5 68.5 69 65
42N016 Dessel 51 58 59 35 54 70 41.5 40.5 51.5 65.5 64 50 71 59
42N027 Bree 56.5 58.5 63 35 67.5 78 47 36.5 57 78 62 48 64 63.5
42N035 Aarschot 46.5 63 64 41 69 71 54 50 61.5 75.5 65.5 47.5 69.5 61.5
42N040 Sint-Pieters-Leeuw 61.5 63.5 61 44.5 76 71 74.5 52 66 85 75 72 67.5 65
42N046 Gellik 45.5 66.5 60 40 65 75.5 50 50.5 60.5 85 68 40 60 62
42N047 Hasselt 45.5 67 65.5 42.5 64.5 77.5 44.5 47.5 63.5 82 66 47.5 64 60
42R801 Borgerhout 38.5 48.5 47.5 24 46 56 47.5 39 42 75.5 57 51 69 58.5
42R811 Schoten 43.5 50.5 60 29.5 50.5 66.5 58.5 37.5 54 46.5 60 51 72.5 62
42R842 Mechelen (Hendrik Speecqvest) 44 52 58.5 41.5 52.5 65.5 57.5 47 56 67 62.5 48.5 70.5 62
44M705 Roeselare (Haven) 42.5 54 49 42 69 76.5 69.5 50 75.5 76 73 52 82 64.5
44N012 Moerkerke 38.5 48.5 55 45 62 71.5 68 50 70 80 67.5 53 80.5 66
44N029 Houtem (Veurne) 54.5 54.5 59 41 73.5 66.5 56 49.5 65.5 80.5 68.5 68.5 82.5 68.5
44R701 Gent (Baudelopark) 47.5 55 59.5 42.5 58 NA 19.5 47 58.5 68.5 64 49.5 76 65.5
44R710 Destelbergen 47.5 56 55 43.5 61 71.5 71.5 52.5 64 76.5 68.5 51 77 69
43N060 Havinnes 47.5 NA NA NA 63 73.5 68 49 69.5 88 77.5 59 78.5 64
43N064 Rixensart 51 NA NA NA 67.5 78 78 55 65.5 85.5 74.5 73.5 76.5 67
43N066 Eupen 56.5 60.5 72.5 60.5 58 70 77 53 63.5 69 64.5 61 54 55
43N070 Mons NA NA NA NA 52.5 60 66.5 42.5 53.5 67.5 65.5 54.5 71 62
43N073 Vezin 52.5 73 71 50 59.5 78.5 78 59.5 NA NA NA 65.5 69 61.5
43N085 Vielsalm 55 58.5 62 48.5 44 60 66 53 51 75.5 69.5 63 53 56.5
43N093 Sinsin 60.5 77 75 51 68 80.5 77.5 61 NA NA NA NA NA NA
43N100 Dourbes 65 NA NA NA 78.5 78.5 57.5 NA 81 91.5 89.5 78.5 73 71
43N113 Saint-Ode 59 79 74 46.5 74 77 81 63.5 NA NA NA 77 57.5 61.5
43N121 Offagne 53 54 54.5 33 37 60 67 51.5 NA NA NA 41 45 54
43N132 Habay-La-Neuve 68 73 48.5 34 65 72 62 57.5 NA NA NA 79.5 54.5 NA
43R221 Herstal 47 61.5 67.5 43 36 70.5 43.5 44.5 58 64 66.5 54.5 54 58.5
43R222 Liège (ISSeP) 51 71 74.5 47.5 55.5 79.5 62 57 70 75 75 56 59.5 62.5
43R240 Engis 42 66.5 70.5 45 44 72.5 70 56 66.5 58.5 57.5 54 59.5 58
43R401 Namur 50.5 70.5 61 45 52.5 75.5 67 58 NA NA NA NA NA NA
45R502 Lodelinsart 40.5 NA NA NA 42.5 68 72 54.5 59.5 71 60 58.5 62.5 60.5
 
Interpolated spatial average in :
Brussels4257573861666445567463526362
Flanders4657594061726050627867517465
Wallonia5265634360716858657874626161
Belgium4961614260716554647871576763
 
% 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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