previous 14 days
O3 concentrations per day (µg/m3), 06/02/2026 - 19/02/2026
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

Codecity06/0207/0208/0209/0210/0211/0212/0213/0214/0215/0216/0217/0218/0219/02
41B011 Sint-Agatha-Berchem 69 69 70.5 46.5 56 79 67.5 64.5 64.5 62.5 63 NA NA NA
41MEU1 Neder-Over-Heembeek 57.5 71.5 70 44 59 74 65 49 70.5 63.5 73 74 70 57
41N043 Voorhaven (Haren) 56.5 59 63 37.5 46 70 59.5 42 65 56.5 67 69.5 62.5 NA
41R001 Sint-Jans-Molenbeek 44.5 59.5 58 40.5 47 64.5 52.5 51 52 56.5 58 58 58 48
41R012 Ukkel 66 70.5 66.5 51 65.5 79.5 72.5 68.5 69 65 74.5 73 69 54
42N016 Dessel 54 70 41.5 40.5 51.5 65.5 64 50 71 59 67.5 74.5 68 58.5
42N027 Bree 67.5 78 47 36.5 57 78 62 48 64 63.5 71.5 81.5 67.5 63
42N035 Aarschot 69 71 54 50 61.5 75.5 65.5 47.5 69.5 61.5 73 76 62 53.5
42N040 Sint-Pieters-Leeuw 76 71 74.5 52 66 85 75 72 67.5 65 73.5 75.5 72 58
42N046 Gellik 65 75.5 50 50.5 60.5 85 68 40 60 62 73 72.5 62 54
42N047 Hasselt 64.5 77.5 44.5 47.5 63.5 82 66 47.5 64 60 71.5 76.5 65 53.5
42R801 Borgerhout 46 56 47.5 39 42 75.5 57 51 69 58.5 67.5 70.5 60 52
42R811 Schoten 50.5 66.5 58.5 37.5 54 46.5 60 51 72.5 62 65 77.5 71 58
42R842 Mechelen (Hendrik Speecqvest) 52.5 65.5 57.5 47 56 67 62.5 48.5 70.5 62 71 75 64 55
44M705 Roeselare (Haven) 69 76.5 69.5 50 75.5 76 73 52 82 64.5 71.5 79 66 52
44N012 Moerkerke 62 71.5 68 50 70 80 67.5 53 80.5 66 72.5 74 63.5 47.5
44N029 Houtem (Veurne) 73.5 66.5 56 49.5 65.5 80.5 68.5 68.5 82.5 68.5 71.5 78 67.5 53
44R701 Gent (Baudelopark) 58 NA 19.5 47 58.5 68.5 64 49.5 76 65.5 71.5 72.5 40.5 52
44R710 Destelbergen 61 71.5 71.5 52.5 64 76.5 68.5 51 77 69 74.5 75 68.5 58.5
43N060 Havinnes 63 73.5 68 49 69.5 88 77.5 59 78.5 64 77 75 71 51
43N064 Rixensart 67.5 78 78 55 65.5 85.5 74.5 73.5 76.5 67 77.5 80 77.5 56.5
43N066 Eupen 58 70 77 53 63.5 69 64.5 61 54 55 63 64.5 66.5 53
43N070 Mons 52.5 60 66.5 42.5 53.5 67.5 65.5 54.5 71 62 61 66.5 72 50.5
43N073 Vezin 59.5 78.5 78 59.5 NA NA NA 65.5 69 61.5 74 75.5 75.5 58.5
43N085 Vielsalm 44 60 66 53 51 75.5 69.5 63 53 56.5 67 64.5 64.5 53.5
43N093 Sinsin 68 80.5 77.5 61 NA NA NA NA NA NA NA 75.5 76 59.5
43N100 Dourbes 78.5 78.5 57.5 NA 81 91.5 89.5 78.5 73 71 83.5 82.5 79.5 97
43N113 Saint-Ode 74 77 81 63.5 NA NA NA 77 57.5 61.5 81.5 78 79 61.5
43N121 Offagne 37 60 67 51.5 NA NA NA 41 45 54 59.5 52.5 67.5 45
43N132 Habay-La-Neuve 65 72 62 57.5 NA NA NA 79.5 54.5 NA NA NA 76 55.5
43R221 Herstal 36 70.5 43.5 44.5 58 64 66.5 54.5 54 58.5 65 68.5 71.5 57.5
43R222 Liège (ISSeP) 55.5 79.5 62 57 70 75 75 56 59.5 62.5 69 70 76.5 62
43R240 Engis 44 72.5 70 56 66.5 58.5 57.5 54 59.5 58 57.5 66 72.5 52.5
43R401 Namur 52.5 75.5 67 58 NA NA NA NA NA NA NA 76.5 70 56
45R502 Lodelinsart 42.5 68 72 54.5 59.5 71 60 58.5 62.5 60.5 65 64.5 67.5 48
 
Interpolated spatial average in :
Brussels6166644556746352636268696553
Flanders6172605062786751746573786956
Wallonia6071685865787462616174727457
Belgium6071655464787157676373757256
 
% 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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