previous 14 days
O3 concentrations per day (µg/m3), 05/01/2026 - 18/01/2026
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

Codecity05/0106/0107/0108/0109/0110/0111/0112/0113/0114/0115/0116/0117/0118/01
41B011 Sint-Agatha-Berchem48.545.559.5597648.555.558.54036.567.57651.526
41MEU1 Neder-Over-Heembeek36435357.573.550.55556.541.538.56570.55234
41N043 Voorhaven (Haren)22.531.544.549.56644485035.530.556674124.5
41R001 Sint-Jans-Molenbeek2638485471.533.547.552.53530.557.56338.517.5
41R012 Ukkel43.54659.5617645545946.5397269.54949
42N016 Dessel4644.55846.569.55450533942.56662.547.530.5
42N027 Bree5464.56754.577.550.554.56148.54662.57441.522
42N035 Aarschot5252.5615574.547.55358.546.5427371.554.539
42N040 Sint-Pieters-Leeuw44.552.5606273.54756.559.544407072.55453
42N046 Gellik52.554.56353.57548.554.5624646.56571.554.529.5
42N047 Hasselt50.552.56248.532.54751.560.5484463.572.55830
42R801 Borgerhout3538.553.545.568.547.548.55136.533.557683538.5
42R811 Schoten4039.554.549.575.548515337.54564.57543.543.5
42R842 Mechelen (Hendrik Speecqvest)424555.552.575.54454.557.539.537.56372.54735
44M705 Roeselare (Haven)56.55154.56973.55956.5714249.5617654.545
44N012 Moerkerke66.5625655.57352.557.567.54153.560.571.55320.5
44N029 Houtem (Veurne)68.565.55971.57759.559.570.547.559.561.570.548.534.5
44R701 Gent (Baudelopark)4740.553657847.556.559.54039.564.5775347.5
44R710 DestelbergenNA44.5576675.545.558.56041406676.554.549
43N060 Havinnes 30.531.55254.572.552.55453.5403658734246.5
43N064 Rixensart56526462.579.5515962.552.544.57873.56242
43N066 Eupen59.5536151644148.555.54446.559.561.565.544.5
43N070 Mons10.5NA546074.5475555.539.5386464.55147
43N073 Vezin4954.56362.577.547.55760.5524966.572.567.558.5
43N085 Vielsalm56.5586047NA415051.53838.550.556.545.551.5
43N093 Sinsin5259686882.548.558.56552.553.569.574.57244.5
43N100 Dourbes53.55763.572.57954.5585952.55168.570.569.559.5
43N113 Saint-Ode5764.56767.58150586051.55266.570.569.568
43N121 Offagne40.545565365.536.545.547NA27565451.546.5
43N132 Habay-La-Neuve525961.561.5725348.550.54742.562645749
43R221 Herstal44.553.559487340.549.55946456370.559.519.5
43R222 Liège (ISSeP)54.558.565607941.555.56552.549.5707464.519.5
43R240 Engis51506051683849.55544.543.563.5686121
43R401 Namur4451.55758.577NA535748.547.56570.555.530
45R502 Lodelinsart35.54251.55466.541485341.53662.562.553.544.5
 
Interpolated spatial average in :
Brussels3642555874415256433666704630
Flanders4949615877515661444566755136
Wallonia4752646176475358484564675844
Belgium4851626077495559464565715540
 
% 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

© IRCEL - CELINE