previous 14 days
O3 concentrations per day (µg/m3), 15/09/2025 - 28/09/2025
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

Codecity15/0916/0917/0918/0919/0920/0921/0922/0923/0924/0925/0926/0927/0928/09
41B011 Sint-Agatha-Berchem 73 68 66 46 95 64 63 64 64 63 42 39 57 74
41MEU1 Neder-Over-Heembeek 68 64 65 47 101 70 70 71 68 66 49 42 62 72
41N043 Voorhaven (Haren) 62 60 62 44 85 62 64 65 62 63 43 39 50 70
41R001 Sint-Jans-Molenbeek 65 57 61 45 87 61 65 66 NA 60 46 35 NA NA
41R012 Ukkel 74 63 71 51 98 70 68 72 68 66 46 42 56 72
42N016 Dessel 67 63 62 46 98 68 63 67 70 71 52 47 59 79
42N027 Bree 82 75 72 58 107 86 67 70 72 49 45 47 63 82
42N035 Aarschot 77 71 70 51 101 79 68 72 73 70 53 45 65 82
42N040 Sint-Pieters-Leeuw 71 66 71 46 98 69 66 69 67 65 46 47 68 81
42N046 Gellik 76 70 67 61 94 83 79 65 69 64 49 46 52 77
42N047 Hasselt 80 74 69 52 102 86 71 67 72 70 52 46 57 86
42R801 Borgerhout 70 68 65 55 95 69 73 74 71 69 50 42 57 74
42R811 Schoten 72 66 63 53 106 70 70 72 70 70 50 43 70 77
42R842 Mechelen (Hendrik Speecqvest) 71 63 66 49 99 70 67 69 64 64 45 36 62 75
44M705 Roeselare (Haven) 74 68 71 52 102 75 74 71 81 74 59 42 68 75
44N012 Moerkerke 78 70 68 51 104 71 69 69 68 66 55 42 62 73
44N029 Houtem (Veurne) 73 65 65 50 98 75 72 71 73 64 51 41 64 70
44R701 Gent (Baudelopark) 72 67 65 55 97 71 71 67 67 64 46 40 71 77
44R710 Destelbergen 73 69 66 55 100 68 68 71 69 68 49 40 65 73
43N060 Havinnes 81 74 75 54 101 75 72 73 75 70 55 45 60 78
43N064 Rixensart 79 73 78 50 108 81 72 75 75 69 53 54 66 83
43N066 Eupen 70 59 64 63 96 81 58 60 56 55 44 39 53 63
43N070 Mons 62 52 58 35 76 51 68 67 66 61 48 36 39 67
43N073 Vezin 74 62 76 71 98 85 66 62 67 56 44 43 59 76
43N085 Vielsalm 66 55 56 67 98 74 53 64 62 51 49 40 42 69
43N093 Sinsin 79 67 71 76 98 87 68 62 60 50 51 50 57 71
43N100 Dourbes 78 66 83 76 97 79 61 65 64 46 41 48 53 67
43N113 Saint-Ode 81 62 67 81 105 80 64 67 60 60 59 50 51 76
43N121 Offagne 79 66 66 81 92 76 56 60 56 51 55 44 41 74
43N132 Habay-La-Neuve 75 62 66 78 101 79 56 61 52 51 53 43 38 72
43R221 Herstal 76 65 64 62 99 83 66 58 61 53 34 46 50 74
43R222 Liège (ISSeP) 77 66 70 68 104 87 67 62 62 51 38 47 52 76
43R240 Engis 64 59 60 56 99 76 58 57 57 52 32 40 51 67
43R401 Namur 74 65 75 68 90 84 67 59 62 51 37 35 57 73
45R502 Lodelinsart 65 54 68 46 91 67 62 61 61 53 40 34 52 69
 
Interpolated spatial average in :
Brussels7063674793666568676645425774
Flanders77707053102747073737051466477
Wallonia7563696598746165635547454971
Belgium7666706099746568676149455574
 
% 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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