previous 14 days
O3 concentrations per day (µg/m3), 31/01/2026 - 13/02/2026
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

Codecity31/0101/0202/0203/0204/0205/0206/0207/0208/0209/0210/0211/0212/0213/02
41B011 Sint-Agatha-Berchem 65 59 43 59 59 39 69 69 71 47 56 79 68 65
41MEU1 Neder-Over-Heembeek 61 60 47 54 66 36 58 72 70 44 59 74 65 49
41N043 Voorhaven (Haren) 51 51 41 48 57 35 57 59 63 38 46 70 60 42
41R001 Sint-Jans-Molenbeek 52 49 36 52 52 32 45 60 58 41 47 65 53 51
41R012 Ukkel 67 60 41 64 61 41 66 71 67 51 66 80 73 69
42N016 Dessel 54 61 51 58 59 35 54 70 42 41 52 66 64 50
42N027 Bree 53 65 57 59 63 35 68 78 47 37 57 78 62 48
42N035 Aarschot 65 68 47 63 64 41 69 71 54 50 62 76 66 48
42N040 Sint-Pieters-Leeuw 72 63 62 64 61 45 76 71 75 52 66 85 75 72
42N046 Gellik 47 63 46 67 60 40 65 76 50 51 61 85 68 40
42N047 Hasselt 55 72 46 67 66 43 65 78 45 48 64 82 66 48
42R801 Borgerhout 54 52 39 49 48 24 46 56 48 39 42 76 57 51
42R811 Schoten 61 60 44 51 60 30 51 67 59 38 54 47 60 51
42R842 Mechelen (Hendrik Speecqvest) 61 61 44 52 59 42 53 66 58 47 56 67 63 49
44M705 Roeselare (Haven) 73 59 43 54 49 42 69 77 70 50 76 76 73 52
44N012 Moerkerke 73 59 39 49 55 45 62 72 68 50 70 80 68 53
44N029 Houtem (Veurne) 60 52 55 55 59 41 74 67 56 50 66 81 69 69
44R701 Gent (Baudelopark) 69 55 48 55 60 43 58 NA 20 47 59 69 64 50
44R710 Destelbergen 70 61 48 56 55 44 61 72 72 53 64 77 69 51
43N060 Havinnes 68 56 48 NA NA NA 63 74 68 49 70 88 78 59
43N064 Rixensart 74 70 51 NA NA NA 68 78 78 55 66 86 75 74
43N066 Eupen 46 53 57 61 73 61 58 70 77 53 64 69 65 61
43N070 Mons NA NA NA NA NA NA 53 60 67 43 54 68 66 55
43N073 Vezin 73 73 53 73 71 50 60 79 78 60 NA NA NA 66
43N085 Vielsalm 41 48 55 59 62 49 44 60 66 53 51 76 70 63
43N093 Sinsin 77 74 61 77 75 51 68 81 78 61 NA NA NA NA
43N100 Dourbes 79 71 65 NA NA NA 79 79 58 NA 81 92 90 79
43N113 Saint-Ode 60 65 59 79 74 47 74 77 81 64 NA NA NA 77
43N121 Offagne 46 51 53 54 55 33 37 60 67 52 NA NA NA 41
43N132 Habay-La-Neuve 52 57 68 73 49 34 65 72 62 58 NA NA NA 80
43R221 Herstal 43 56 47 62 68 43 36 71 44 45 58 64 67 55
43R222 Liège (ISSeP) 58 66 51 71 75 48 56 80 62 57 70 75 75 56
43R240 Engis 56 73 42 67 71 45 44 73 70 56 67 59 58 54
43R401 Namur 67 68 51 71 61 45 53 76 67 58 NA NA NA NA
45R502 Lodelinsart 64 61 41 NA NA NA 43 68 72 55 60 71 60 59
 
Interpolated spatial average in :
Brussels6157425757386166644556746352
Flanders6361465759406172605062786751
Wallonia6061526563436071685865787462
Belgium6161496161426071655464787157
 
% 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