previous 14 days
O3 concentrations per day (µg/m3), 28/12/2025 - 10/01/2026
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

Codecity28/1229/1230/1231/1201/0102/0103/0104/0105/0106/0107/0108/0109/0110/01
41B011 Sint-Agatha-Berchem 68 34 59 59 64 71 68 60 49 46 60 59 76 49
41MEU1 Neder-Over-Heembeek 62 38 66 46 60 68 64 55 36 43 53 58 74 51
41N043 Voorhaven (Haren) 62 36 59 44 56 63 57 50 23 32 45 50 66 44
41R001 Sint-Jans-Molenbeek 48 24 48 34 53 55 50 40 26 38 48 54 72 34
41R012 Ukkel 61 49 65 50 60 69 66 49 44 46 60 61 76 45
42N016 Dessel 62 43 63 52 62 69 59 50 46 45 58 47 70 54
42N027 Bree 58 42 60 51 72 72 68 61 54 65 67 55 78 51
42N035 Aarschot 62 35 60 56 64 71 66 53 52 53 61 55 75 48
42N040 Sint-Pieters-Leeuw 65 27 61 51 63 69 66 51 45 53 60 62 74 47
42N046 Gellik 55 32 59 49 67 66 65 59 53 55 63 54 75 49
42N047 Hasselt 61 28 58 46 69 69 65 55 51 53 62 49 33 47
42R801 Borgerhout 61 33 57 53 68 69 60 57 35 39 54 46 69 48
42R811 Schoten 64 27 60 56 70 68 60 63 40 40 55 50 76 48
42R842 Mechelen (Hendrik Speecqvest) 57 35 57 48 66 68 62 52 42 45 56 53 76 44
44M705 Roeselare (Haven) 72 43 67 64 73 74 69 66 57 51 55 69 74 59
44N012 Moerkerke 68 51 69 67 74 74 67 66 67 62 56 56 73 53
44N029 Houtem (Veurne) 67 44 69 69 70 74 68 63 69 66 59 72 77 60
44R701 Gent (Baudelopark) 68 26 56 58 69 69 65 62 47 41 53 65 78 48
44R710 Destelbergen 71 27 72 61 72 75 67 54 NA 45 57 66 76 46
43N060 Havinnes 66 32 53 41 60 71 62 59 31 32 52 55 73 53
43N064 Rixensart 64 46 71 49 70 75 71 61 56 52 64 63 80 51
43N066 Eupen 62 64 51 41 58 63 61 58 60 53 61 51 64 41
43N070 Mons 64 40 55 25 57 58 56 48 11 NA 54 60 75 47
43N073 Vezin 53 43 57 54 66 66 65 58 49 55 63 63 78 48
43N085 Vielsalm 66 67 64 49 61 65 65 62 57 58 60 47 NA 41
43N093 Sinsin 61 76 65 57 69 69 71 67 52 59 68 68 83 49
43N100 Dourbes 61 69 73 51 64 69 70 63 54 57 64 73 79 55
43N113 Saint-Ode 71 73 74 64 68 72 74 70 57 65 67 68 81 50
43N121 Offagne 56 62 59 32 41 38 55 51 41 45 56 53 66 37
43N132 Habay-La-Neuve 70 74 76 40 57 71 61 61 52 59 62 62 72 53
43R221 Herstal 49 1 44 44 64 62 59 56 45 54 59 48 73 41
43R222 Liège (ISSeP) 60 9 42 56 68 65 60 60 55 59 65 60 79 42
43R240 Engis 50 14 34 25 45 60 60 50 51 50 60 51 68 38
43R401 Namur 46 33 49 56 67 61 64 58 44 52 57 59 77 NA
45R502 Lodelinsart 53 37 59 37 55 58 52 46 36 42 52 54 67 41
 
Interpolated spatial average in :
Brussels5929584461646148364255587441
Flanders6433645572736660494961587751
Wallonia6149634562646459475264617647
Belgium6242634967686559485162607749
 
% 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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