previous 14 days
O3 concentrations per day (µg/m3), 15/02/2026 - 28/02/2026
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

Codecity15/0216/0217/0218/0219/0220/0221/0222/0223/0224/0225/0226/0227/0228/02
41B011 Sint-Agatha-Berchem 62.5 63 NA NA NA 72 77 72 80 60 62.5 74 70.5 79
41MEU1 Neder-Over-Heembeek 63.5 73 74 70 57 71.5 67 67.5 76.5 48 63 70 68 74.5
41N043 Voorhaven (Haren) 56.5 67 69.5 62.5 NA 66 66 65 72 49 48 64.5 62 69.5
41R001 Sint-Jans-Molenbeek 56.5 58 58 58 48 60.5 60.5 58 65 48 50.5 60 61.5 70.5
41R012 Ukkel 65 74.5 73 69 54 70 74.5 70.5 77 56 63.5 76.5 74 79
42N016 Dessel 59 67.5 74.5 68 58.5 61.5 65 62.5 75 54 58.5 68 75 72.5
42N027 Bree 63.5 71.5 81.5 67.5 63 70 76 74 85 71 66 80.5 88.5 84.5
42N035 Aarschot 61.5 73 76 62 53.5 71 76 67.5 77 64 62 78.5 78.5 79
42N040 Sint-Pieters-Leeuw 65 73.5 75.5 72 58 72.5 78.5 72 77 63 65.5 72.5 70.5 76
42N046 Gellik 62 73 72.5 62 54 67 77.5 70 81 66 64.5 78 88 81
42N047 Hasselt 60 71.5 76.5 65 53.5 69.5 76.5 72 80 64.5 63 78.5 83.5 81.5
42R801 Borgerhout 58.5 67.5 70.5 60 52 66.5 72.5 64 72.5 58 45.5 56.5 62.5 72
42R811 Schoten 62 65 77.5 71 58 73 81 69 80.5 61 57.5 74.5 68 77
42R842 Mechelen (Hendrik Speecqvest) 62 71 75 64 55 72 76 70 73 53.5 57.5 74.5 68 78.5
44M705 Roeselare (Haven) 64.5 71.5 79 66 52 78.5 80 73.5 75.5 61 56.5 78 60 77
44N012 Moerkerke 66 72.5 74 63.5 47.5 76.5 78.5 70.5 78.5 54.5 58.5 75.5 61 73
44N029 Houtem (Veurne) 68.5 71.5 78 67.5 53 77 75.5 72.5 74 60 54.5 74.5 61.5 74.5
44R701 Gent (Baudelopark) 65.5 71.5 72.5 40.5 52 72 75.5 68.5 75 55.5 59.5 76.5 65.5 76
44R710 Destelbergen 69 74.5 75 68.5 58.5 74.5 77 70.5 78.5 55.5 65.5 82 66 78
43N060 Havinnes 64 77 75 71 51 80 80 71 79.5 61 53 79 58.5 76
43N064 Rixensart 67 77.5 80 77.5 56.5 74.5 79.5 72.5 83.5 59.5 66 82.5 81 82.5
43N066 Eupen 55 63 64.5 66.5 53 59 65 58 72.5 59 52.5 71.5 79 79.5
43N070 Mons 62 61 66.5 72 50.5 64.5 68.5 60 64 51 50.5 64.5 62 73
43N073 Vezin 61.5 74 75.5 75.5 58.5 70.5 76.5 65 78 60 62 75 87.5 81.5
43N085 Vielsalm 56.5 67 64.5 64.5 53.5 57.5 74 54.5 70 46.5 44 58.5 72 73
43N093 Sinsin NA NA 75.5 76 59.5 67.5 78 NA 79.5 59 61.5 72 86.5 84
43N100 Dourbes 71 83.5 82.5 79.5 97 75 85.5 72 85.5 66.5 68 78 93.5 87
43N113 Saint-Ode 61.5 81.5 78 79 61.5 71.5 84 69.5 82.5 65 54.5 71.5 83 82
43N121 Offagne 54 59.5 52.5 67.5 45 48 61.5 38.5 76 40.5 42 56 74 69.5
43N132 Habay-La-Neuve NA NA NA 76 55.5 64.5 69 59.5 74 58.5 42 64.5 76 74
43R221 Herstal 58.5 65 68.5 71.5 57.5 63.5 72.5 65 75 49.5 58.5 72.5 83 79.5
43R222 Liège (ISSeP) 62.5 69 70 76.5 62 70.5 71 63 76.5 56.5 68 77 87.5 83
43R240 Engis 58 57.5 66 72.5 52.5 47 56 57 69.5 49 54.5 70.5 79 77.5
43R401 Namur NA NA 76.5 70 56 73.5 77 64.5 78 59 58.5 72.5 86.5 82.5
45R502 Lodelinsart 60.5 65 64.5 67.5 48 55 67.5 56 64.5 50.5 59 65.5 77 74.5
 
Interpolated spatial average in :
Brussels6268696553677066755558706875
Flanders6573786956737570806162777180
Wallonia6174727457657262785556718079
Belgium6373757256687365795858747679
 
% 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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