previous 14 days
O3 concentrations per day (µg/m3), 03/01/2026 - 16/01/2026
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

Codecity03/0104/0105/0106/0107/0108/0109/0110/0111/0112/0113/0114/0115/0116/01
41B011 Sint-Agatha-Berchem 68 60 49 46 60 59 76 49 56 59 40 37 68 76
41MEU1 Neder-Over-Heembeek 64 55 36 43 53 58 74 51 55 57 42 39 65 71
41N043 Voorhaven (Haren) 57 50 23 32 45 50 66 44 48 50 36 31 56 67
41R001 Sint-Jans-Molenbeek 50 40 26 38 48 54 72 34 48 53 35 31 58 63
41R012 Ukkel 66 49 44 46 60 61 76 45 54 59 47 39 72 70
42N016 Dessel 59 50 46 45 58 47 70 54 50 53 39 43 66 63
42N027 Bree 68 61 54 65 67 55 78 51 55 61 49 46 63 74
42N035 Aarschot 66 53 52 53 61 55 75 48 53 59 47 42 73 72
42N040 Sint-Pieters-Leeuw 66 51 45 53 60 62 74 47 57 60 44 40 70 73
42N046 Gellik 65 59 53 55 63 54 75 49 55 62 46 47 65 72
42N047 Hasselt 65 55 51 53 62 49 33 47 52 61 48 44 64 73
42R801 Borgerhout 60 57 35 39 54 46 69 48 49 51 37 34 57 68
42R811 Schoten 60 63 40 40 55 50 76 48 51 53 38 45 65 75
42R842 Mechelen (Hendrik Speecqvest) 62 52 42 45 56 53 76 44 55 58 40 38 63 73
44M705 Roeselare (Haven) 69 66 57 51 55 69 74 59 57 71 42 50 61 76
44N012 Moerkerke 67 66 67 62 56 56 73 53 58 68 41 54 61 72
44N029 Houtem (Veurne) 68 63 69 66 59 72 77 60 60 71 48 60 62 71
44R701 Gent (Baudelopark) 65 62 47 41 53 65 78 48 57 60 40 40 65 77
44R710 Destelbergen 67 54 NA 45 57 66 76 46 59 60 41 40 66 77
43N060 Havinnes 62 59 31 32 52 55 73 53 54 54 40 36 58 73
43N064 Rixensart 71 61 56 52 64 63 80 51 59 63 53 45 78 74
43N066 Eupen 61 58 60 53 61 51 64 41 49 56 44 47 60 62
43N070 Mons 56 48 11 NA 54 60 75 47 55 56 40 38 64 65
43N073 Vezin 65 58 49 55 63 63 78 48 57 61 52 49 67 73
43N085 Vielsalm 65 62 57 58 60 47 NA 41 50 52 38 39 51 57
43N093 Sinsin 71 67 52 59 68 68 83 49 59 65 53 54 70 75
43N100 Dourbes 70 63 54 57 64 73 79 55 58 59 53 51 69 71
43N113 Saint-Ode 74 70 57 65 67 68 81 50 58 60 52 52 67 71
43N121 Offagne 55 51 41 45 56 53 66 37 46 47 NA 27 56 54
43N132 Habay-La-Neuve 61 61 52 59 62 62 72 53 49 51 47 43 62 64
43R221 Herstal 59 56 45 54 59 48 73 41 50 59 46 45 63 71
43R222 Liège (ISSeP) 60 60 55 59 65 60 79 42 56 65 53 50 70 74
43R240 Engis 60 50 51 50 60 51 68 38 50 55 45 44 64 68
43R401 Namur 64 58 44 52 57 59 77 NA 53 57 49 48 65 71
45R502 Lodelinsart 52 46 36 42 52 54 67 41 48 53 42 36 63 63
 
Interpolated spatial average in :
Brussels6148364255587441525643366670
Flanders6660494961587751566144456675
Wallonia6459475264617647535848456467
Belgium6559485162607749555946456571
 
% 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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