previous 14 days
O3 concentrations per day (µg/m3), 27/08/2025 - 09/09/2025
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

Codecity27/0828/0829/0830/0831/0801/0902/0903/0904/0905/0906/0907/0908/0909/09
41B011 Sint-Agatha-Berchem 84 84 69 69 52 78 62 62 65 73 81 101 75 83
41MEU1 Neder-Over-Heembeek 84 82 70 70 55 79 64 49 62 73 85 102 80 84
41N043 Voorhaven (Haren) 76 76 64 62 45 69 54 58 59 65 72 90 71 71
41R001 Sint-Jans-Molenbeek 81 77 68 68 56 74 56 60 58 68 75 93 72 67
41R012 Ukkel 85 86 73 70 60 78 62 62 60 77 76 97 81 80
42N016 Dessel 85 84 71 63 53 71 64 48 57 61 96 101 76 73
42N027 Bree 99 88 82 72 63 80 74 57 66 79 97 105 92 73
42N035 Aarschot 93 85 75 74 57 79 70 64 67 78 93 100 82 75
42N040 Sint-Pieters-Leeuw 85 84 72 70 64 78 62 65 66 76 80 101 84 84
42N046 Gellik 93 84 77 70 57 75 71 61 64 77 92 99 87 66
42N047 Hasselt 98 86 82 74 61 77 71 60 66 76 97 106 88 75
42R801 Borgerhout 84 40 NA NA NA 76 64 38 64 67 87 96 77 78
42R811 Schoten 87 90 73 75 62 80 67 51 70 64 95 108 81 81
42R842 Mechelen (Hendrik Speecqvest) 78 75 70 72 56 77 62 61 64 69 89 98 67 81
44M705 Roeselare (Haven) 80 87 75 71 72 77 59 64 76 78 78 100 84 85
44N012 Moerkerke 81 82 70 67 65 73 63 58 74 72 79 101 81 77
44N029 Houtem (Veurne) 77 78 76 63 72 68 55 64 77 72 83 93 70 78
44R701 Gent (Baudelopark) 81 84 67 69 66 79 64 59 72 73 83 103 81 78
44R710 Destelbergen 84 87 68 72 67 78 64 56 71 77 82 104 80 77
43N060 Havinnes 81 83 68 69 68 75 57 58 72 78 76 94 85 91
43N064 Rixensart 95 89 77 76 55 83 67 63 65 81 86 105 84 87
43N066 Eupen NA 72 72 63 50 62 61 56 59 72 74 89 79 67
43N070 Mons 71 69 56 55 48 65 50 52 52 63 73 84 77 82
43N073 Vezin 94 85 78 74 56 75 68 65 70 78 81 103 88 83
43N085 Vielsalm 87 64 75 58 56 60 61 50 60 55 76 91 72 70
43N093 Sinsin 98 79 80 75 58 76 68 64 67 74 80 102 91 71
43N100 Dourbes 94 82 68 72 51 69 62 58 60 70 79 95 80 80
43N113 Saint-Ode 84 73 75 62 54 66 63 56 64 64 77 97 79 68
43N121 Offagne 74 72 69 62 45 65 62 66 67 65 81 96 78 71
43N132 Habay-La-Neuve 83 67 73 61 53 66 62 66 63 66 87 101 78 67
43R221 Herstal 89 77 74 67 54 71 64 53 63 79 83 98 88 51
43R222 Liège (ISSeP) 86 80 76 70 57 75 67 62 67 81 86 98 87 65
43R240 Engis 86 74 73 65 53 67 63 45 59 75 80 95 82 47
43R401 Namur 91 81 68 70 52 71 62 66 71 75 71 96 85 74
45R502 Lodelinsart 76 68 66 67 50 69 55 60 56 60 73 94 69 79
 
Interpolated spatial average in :
Brussels8381696854766160597177957680
Flanders88867471628167596978871018379
Wallonia8476736652716459636978958174
Belgium8680736856756559667382978276
 
% 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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