previous 14 days
O3 concentrations per day (µg/m3), 01/02/2026 - 14/02/2026
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

Codecity01/0202/0203/0204/0205/0206/0207/0208/0209/0210/0211/0212/0213/0214/02
41B011 Sint-Agatha-Berchem 59 43 58.5 58.5 39 69 69 70.5 46.5 56 79 67.5 64.5 64.5
41MEU1 Neder-Over-Heembeek 59.5 46.5 54 66 36 57.5 71.5 70 44 59 74 65 49 70.5
41N043 Voorhaven (Haren) 51 40.5 47.5 56.5 35 56.5 59 63 37.5 46 70 59.5 42 65
41R001 Sint-Jans-Molenbeek 48.5 36 52 51.5 31.5 44.5 59.5 58 40.5 47 64.5 52.5 51 52
41R012 Ukkel 60 41 63.5 60.5 41 66 70.5 66.5 51 65.5 79.5 72.5 68.5 69
42N016 Dessel 60.5 51 58 59 35 54 70 41.5 40.5 51.5 65.5 64 50 71
42N027 Bree 64.5 56.5 58.5 63 35 67.5 78 47 36.5 57 78 62 48 64
42N035 Aarschot 68 46.5 63 64 41 69 71 54 50 61.5 75.5 65.5 47.5 69.5
42N040 Sint-Pieters-Leeuw 63 61.5 63.5 61 44.5 76 71 74.5 52 66 85 75 72 67.5
42N046 Gellik 62.5 45.5 66.5 60 40 65 75.5 50 50.5 60.5 85 68 40 60
42N047 Hasselt 71.5 45.5 67 65.5 42.5 64.5 77.5 44.5 47.5 63.5 82 66 47.5 64
42R801 Borgerhout 51.5 38.5 48.5 47.5 24 46 56 47.5 39 42 75.5 57 51 69
42R811 Schoten 60 43.5 50.5 60 29.5 50.5 66.5 58.5 37.5 54 46.5 60 51 72.5
42R842 Mechelen (Hendrik Speecqvest) 61 44 52 58.5 41.5 52.5 65.5 57.5 47 56 67 62.5 48.5 70.5
44M705 Roeselare (Haven) 58.5 42.5 54 49 42 69 76.5 69.5 50 75.5 76 73 52 82
44N012 Moerkerke 59 38.5 48.5 55 45 62 71.5 68 50 70 80 67.5 53 80.5
44N029 Houtem (Veurne) 52 54.5 54.5 59 41 73.5 66.5 56 49.5 65.5 80.5 68.5 68.5 82.5
44R701 Gent (Baudelopark) 54.5 47.5 55 59.5 42.5 58 NA 19.5 47 58.5 68.5 64 49.5 76
44R710 Destelbergen 60.5 47.5 56 55 43.5 61 71.5 71.5 52.5 64 76.5 68.5 51 77
43N060 Havinnes 56 47.5 NA NA NA 63 73.5 68 49 69.5 88 77.5 59 78.5
43N064 Rixensart 70 51 NA NA NA 67.5 78 78 55 65.5 85.5 74.5 73.5 76.5
43N066 Eupen 52.5 56.5 60.5 72.5 60.5 58 70 77 53 63.5 69 64.5 61 54
43N070 Mons NA NA NA NA NA 52.5 60 66.5 42.5 53.5 67.5 65.5 54.5 71
43N073 Vezin 73 52.5 73 71 50 59.5 78.5 78 59.5 NA NA NA 65.5 69
43N085 Vielsalm 47.5 55 58.5 62 48.5 44 60 66 53 51 75.5 69.5 63 53
43N093 Sinsin 74 60.5 77 75 51 68 80.5 77.5 61 NA NA NA NA NA
43N100 Dourbes 70.5 65 NA NA NA 78.5 78.5 57.5 NA 81 91.5 89.5 78.5 73
43N113 Saint-Ode 65 59 79 74 46.5 74 77 81 63.5 NA NA NA 77 57.5
43N121 Offagne 51 53 54 54.5 33 37 60 67 51.5 NA NA NA 41 45
43N132 Habay-La-Neuve 57 68 73 48.5 34 65 72 62 57.5 NA NA NA 79.5 54.5
43R221 Herstal 56 47 61.5 67.5 43 36 70.5 43.5 44.5 58 64 66.5 54.5 54
43R222 Liège (ISSeP) 65.5 51 71 74.5 47.5 55.5 79.5 62 57 70 75 75 56 59.5
43R240 Engis 72.5 42 66.5 70.5 45 44 72.5 70 56 66.5 58.5 57.5 54 59.5
43R401 Namur 67.5 50.5 70.5 61 45 52.5 75.5 67 58 NA NA NA NA NA
45R502 Lodelinsart 61 40.5 NA NA NA 42.5 68 72 54.5 59.5 71 60 58.5 62.5
 
Interpolated spatial average in :
Brussels5742575738616664455674635263
Flanders6146575940617260506278675174
Wallonia6152656343607168586578746261
Belgium6149616142607165546478715767
 
% 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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