previous 14 days
O3 concentrations per day (µg/m3), 17/08/2026 - 30/08/2026
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

Codecity17/0818/0819/0820/0821/0822/0823/0824/0825/0826/0827/0828/0829/0830/08
41B011 Sint-Agatha-Berchem 97 51 61.5 65.5 71.5 88 104 110 62 NA NA NA NA NA
41MEU1 Neder-Over-Heembeek 100 55 53.5 63.5 72 89 107.5 106 58 NA NA NA NA NA
41N043 Voorhaven (Haren) 92.5 45 53 56.5 68.5 NA 65.5 103 56 NA NA NA NA NA
41R001 Sint-Jans-Molenbeek 95 48 59.5 60 65.5 80.5 95.5 104 52 NA NA NA NA NA
41R012 Ukkel 100.5 48.5 59.5 61.5 72 88.5 107.5 107 60 NA NA NA NA NA
42N016 Dessel 90 45 64 70 78.5 96.5 100 116 56 NA NA NA NA NA
42N027 Bree 97 51 65.5 78 86 103 102.5 111 42 NA NA NA NA NA
42N035 Aarschot 110 52 68 76 86 101.5 115.5 115 56 NA NA NA NA NA
42N040 Sint-Pieters-Leeuw 98 52.5 63.5 64.5 73.5 87 97 106 61 NA NA NA NA NA
42N046 Gellik 112 43.5 73.5 78.5 86 100 108 111 54 NA NA NA NA NA
42N047 Hasselt 100.5 49 69.5 74 80.5 99 105 107 55 NA NA NA NA NA
42R801 Borgerhout 94 52.5 61.5 68 78.5 93.5 107.5 113 56 NA NA NA NA NA
42R811 Schoten 92.5 46 64 74 76 92 107.5 118 55 NA NA NA NA NA
42R842 Mechelen (Hendrik Speecqvest) 92 50.5 54 64 64 89.5 99 108 53 NA NA NA NA NA
44M705 Roeselare (Haven) 105.5 65 69.5 76.5 70.5 93.5 105.5 111 63 NA NA NA NA NA
44N012 Moerkerke 95.5 69.5 58.5 74 78 90 100 112 44 NA NA NA NA NA
44N029 Houtem (Veurne) 104.5 66.5 70.5 74 73.5 93 107.5 116 52 NA NA NA NA NA
44R701 Gent (Baudelopark) 101 58.5 65 71.5 70 85.5 98.5 117 60 NA NA NA NA NA
44R710 Destelbergen 101.5 61.5 61.5 75.5 69 89.5 13 64 63 NA NA NA NA NA
43N060 Havinnes 106 54.5 53.5 63.5 67.5 87.5 97.5 102 62 NA NA NA NA NA
43N064 Rixensart 106.5 51.5 71 70.5 78 96.5 115.5 113 62 NA NA NA NA NA
43N066 Eupen 101.5 66 63 73 77.5 88 101 99 62 NA NA NA NA NA
43N070 Mons 102 35.5 47 48.5 61 82.5 95.5 98 60 NA NA NA NA NA
43N073 Vezin 100 45 68 67 79.5 90 109.5 98 40 NA NA NA NA NA
43N085 Vielsalm 81 39.5 73 70.5 64 63.5 98 95 NA NA NA NA NA NA
43N093 Sinsin 101 52 68.5 81.5 74.5 92.5 112.5 99 60 NA NA NA NA NA
43N100 Dourbes 118 58 76 82 82.5 94 118 111 74 NA NA NA NA NA
43N113 Saint-Ode 104.5 67 82 87.5 70 73.5 105.5 100 78 NA NA NA NA NA
43N121 Offagne 101 51.5 85 90.5 69 81 109 101 84 NA NA NA NA NA
43N132 Habay-La-Neuve 93 52 74 89.5 64 77.5 101.5 95 84 NA NA NA NA NA
43R221 Herstal 103.5 55 63.5 72 75.5 97 107 98 41 NA NA NA NA NA
43R222 Liège (ISSeP) 102 62 68.5 73 80 94 109.5 97 33 NA NA NA NA NA
43R240 Engis 91.5 46 58 63.5 67 80 100.5 93 54 NA NA NA NA NA
43R401 Namur 97.5 50 71 70.5 79 90 103 91 59 NA NA NA NA NA
45R502 Lodelinsart 101.5 37.5 61 58 71 91.5 115 100 59 NA NA NA NA NA
 
Interpolated spatial average in :
Brussels994760637187104106585858585858
Flanders995364727592102111565656565656
Wallonia99476772708110498656565656565
Belgium995065727386103104616161616161
 
% 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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