previous 14 days
O3 concentrations per day (µg/m3), 14/02/2026 - 27/02/2026
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

Codecity14/0215/0216/0217/0218/0219/0220/0221/0222/0223/0224/0225/0226/0227/02
41B011 Sint-Agatha-Berchem 65 63 63 NA NA NA 72 77 72 80 60 63 74 71
41MEU1 Neder-Over-Heembeek 71 64 73 74 70 57 72 67 68 77 48 63 70 68
41N043 Voorhaven (Haren) 65 57 67 70 63 NA 66 66 65 72 49 48 65 62
41R001 Sint-Jans-Molenbeek 52 57 58 58 58 48 61 61 58 65 48 51 60 62
41R012 Ukkel 69 65 75 73 69 54 70 75 71 77 56 64 77 74
42N016 Dessel 71 59 68 75 68 59 62 65 63 75 54 59 68 75
42N027 Bree 64 64 72 82 68 63 70 76 74 85 71 66 81 89
42N035 Aarschot 70 62 73 76 62 54 71 76 68 77 64 62 79 79
42N040 Sint-Pieters-Leeuw 68 65 74 76 72 58 73 79 72 77 63 66 73 71
42N046 Gellik 60 62 73 73 62 54 67 78 70 81 66 65 78 88
42N047 Hasselt 64 60 72 77 65 54 70 77 72 80 65 63 79 84
42R801 Borgerhout 69 59 68 71 60 52 67 73 64 73 58 46 57 63
42R811 Schoten 73 62 65 78 71 58 73 81 69 81 61 58 75 68
42R842 Mechelen (Hendrik Speecqvest) 71 62 71 75 64 55 72 76 70 73 54 58 75 68
44M705 Roeselare (Haven) 82 65 72 79 66 52 79 80 74 76 61 57 78 60
44N012 Moerkerke 81 66 73 74 64 48 77 79 71 79 55 59 76 61
44N029 Houtem (Veurne) 83 69 72 78 68 53 77 76 73 74 60 55 75 62
44R701 Gent (Baudelopark) 76 66 72 73 41 52 72 76 69 75 56 60 77 66
44R710 Destelbergen 77 69 75 75 69 59 75 77 71 79 56 66 82 66
43N060 Havinnes 79 64 77 75 71 51 80 80 71 80 61 53 79 59
43N064 Rixensart 77 67 78 80 78 57 75 80 73 84 60 66 83 81
43N066 Eupen 54 55 63 65 67 53 59 65 58 73 59 53 72 79
43N070 Mons 71 62 61 67 72 51 65 69 60 64 51 51 65 62
43N073 Vezin 69 62 74 76 76 59 71 77 65 78 60 62 75 88
43N085 Vielsalm 53 57 67 65 65 54 58 74 55 70 47 44 59 72
43N093 Sinsin NA NA NA 76 76 60 68 78 NA 80 59 62 72 87
43N100 Dourbes 73 71 84 83 80 97 75 86 72 86 67 68 78 94
43N113 Saint-Ode 58 62 82 78 79 62 72 84 70 83 65 55 72 83
43N121 Offagne 45 54 60 53 68 45 48 62 39 76 41 42 56 74
43N132 Habay-La-Neuve 55 NA NA NA 76 56 65 69 60 74 59 42 65 76
43R221 Herstal 54 59 65 69 72 58 64 73 65 75 50 59 73 83
43R222 Liège (ISSeP) 60 63 69 70 77 62 71 71 63 77 57 68 77 88
43R240 Engis 60 58 58 66 73 53 47 56 57 70 49 55 71 79
43R401 Namur NA NA NA 77 70 56 74 77 65 78 59 59 73 87
45R502 Lodelinsart 63 61 65 65 68 48 55 68 56 65 51 59 66 77
 
Interpolated spatial average in :
Brussels6362686965536770667555587068
Flanders7465737869567375708061627771
Wallonia6161747274576572627855567180
Belgium6763737572566873657958587476
 
% 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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