previous 14 days
O3 concentrations per day (µg/m3), 05/10/2025 - 18/10/2025
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

Codecity05/1006/1007/1008/1009/1010/1011/1012/1013/1014/1015/1016/1017/1018/10
41B011 Sint-Agatha-Berchem 60 53 44 55 51 55 57 64 46 47 50 52 50 64
41MEU1 Neder-Over-Heembeek 58 49 43 61 56 59 59 68 46 52 51 58 66 66
41N043 Voorhaven (Haren) 58 50 39 51 51 54 55 65 40 47 49 57 66 63
41R001 Sint-Jans-Molenbeek 51 43 35 49 48 47 50 59 36 40 43 51 42 54
41R012 Ukkel 63 50 46 60 55 50 59 69 44 48 51 56 58 63
42N016 Dessel 63 45 42 55 54 59 44 62 43 52 60 61 70 65
42N027 Bree 67 45 51 74 60 67 57 71 52 61 60 66 73 69
42N035 Aarschot 62 55 51 70 57 69 60 69 44 60 60 66 68 73
42N040 Sint-Pieters-Leeuw 63 54 52 67 60 59 65 67 35 NA NA NA 56 66
42N046 Gellik 58 45 42 70 57 63 49 69 40 64 59 52 62 64
42N047 Hasselt 62 44 52 74 58 68 57 74 45 62 64 59 62 70
42R801 Borgerhout 66 52 45 49 69 60 46 66 35 NA NA NA NA NA
42R811 Schoten 64 48 41 41 59 54 46 63 38 NA NA NA 51 70
42R842 Mechelen (Hendrik Speecqvest) 58 51 47 50 53 50 47 61 35 NA NA NA 54 68
44M705 Roeselare (Haven) 69 39 NA NA NA 62 56 70 52 54 58 69 63 62
44N012 Moerkerke 67 53 NA NA NA 55 45 70 50 63 60 68 75 59
44N029 Houtem (Veurne) 58 NA 51 71 79 55 58 77 54 66 68 84 80 68
44R701 Gent (Baudelopark) 64 39 NA NA NA 63 56 72 46 55 37 58 62 69
44R710 Destelbergen NA NA NA NA NA 65 50 74 48 61 57 76 57 69
43N060 Havinnes 72 67 54 66 78 55 70 71 43 58 40 68 70 76
43N064 Rixensart 68 53 46 73 61 61 66 74 48 62 59 67 73 68
43N066 Eupen 58 41 30 54 61 53 48 63 30 53 43 60 63 62
43N070 Mons 58 40 34 70 46 36 58 69 46 47 49 63 64 72
43N073 Vezin 62 51 53 66 63 56 57 74 40 62 56 71 68 69
43N085 Vielsalm 54 43 37 38 55 60 56 50 43 48 45 69 66 72
43N093 Sinsin 63 54 50 66 66 62 64 61 38 55 51 67 71 72
43N100 Dourbes 68 53 52 66 68 64 67 61 43 59 54 72 76 73
43N113 Saint-Ode 66 53 53 46 66 61 66 60 56 47 43 66 65 72
43N121 Offagne 62 39 NA 50 66 61 65 57 51 50 44 68 61 72
43N132 Habay-La-Neuve 64 52 32 23 67 57 71 59 49 64 43 62 62 70
43R221 Herstal 63 44 38 69 65 65 42 70 28 55 52 58 56 55
43R222 Liège (ISSeP) 67 45 45 65 65 61 49 71 32 57 51 60 64 56
43R240 Engis 60 42 43 62 59 54 51 66 25 54 45 50 58 58
43R401 Namur 64 51 54 71 62 52 54 70 41 55 52 68 62 63
45R502 Lodelinsart 57 40 42 66 51 50 60 67 45 53 49 63 71 70
 
Interpolated spatial average in :
Brussels5948435652535565394850535462
Flanders6753486065625371455856666568
Wallonia6250455963576162415549666669
Belgium6452465963595866435652666669
 
% 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