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O3 concentrations per day (µg/m3), 27/04/2026 - 10/05/2026
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- 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

Codecity27/0428/0429/0430/0401/0502/0503/0504/0505/0506/0507/0508/0509/0510/05
41B011 Sint-Agatha-Berchem 101 108 101.5 103 117 96.5 72.5 68.5 56.5 79.5 86 95 115.5 101.5
41MEU1 Neder-Over-Heembeek 107 112 105 106 121.5 99.5 69 69.5 60.5 84.5 87.5 96 115.5 104
41N043 Voorhaven (Haren) 101 107.5 99.5 102 114.5 90.5 68 67.5 57.5 77.5 78 85.5 112.5 100.5
41R001 Sint-Jans-Molenbeek 93 105.5 100 101.5 115.5 95 77 67 58.5 71.5 77.5 86 108.5 96
41R012 Ukkel 112 117 108 107 117.5 99 73.5 75 60.5 83 85 92.5 119 105.5
42N016 Dessel 112 114 109.5 118.5 126 112 56.5 80 65 66.5 63.5 62 62 66
42N027 Bree 110 111.5 106.5 112.5 109 111.5 67.5 81.5 62.5 73.5 96 94.5 120 107
42N035 Aarschot 113 115 110 114 124.5 112.5 73 82.5 63 98 89 104.5 121.5 108
42N040 Sint-Pieters-Leeuw 103.5 111.5 108 108.5 124.5 101.5 82 76 59 78 87 94 117 99.5
42N046 Gellik 107 113.5 107.5 112.5 123 106 71.5 74 62.5 71.5 97.5 100.5 127.5 109
42N047 Hasselt 111.5 115.5 107 113.5 122 105 68 78 58 79 95.5 104.5 123 109.5
42R801 Borgerhout 108.5 109.5 108.5 109 118 108.5 81.5 68.5 80.5 93 89.5 99.5 118 110
42R811 Schoten 110.5 112 113 119.5 127 114 87.5 65.5 71.5 93 89.5 98.5 120 108.5
42R842 Mechelen (Hendrik Speecqvest) 98.5 107 105 111.5 120 105.5 79.5 69 69 87.5 88.5 100 109.5 101.5
44M705 Roeselare (Haven) 99 110.5 109.5 107.5 127.5 116.5 92 89.5 97.5 97.5 83.5 103.5 132 114.5
44N012 Moerkerke 101 106.5 104 113.5 130 99 83.5 98.5 101.5 99 89 102 124 108
44N029 Houtem (Veurne) 103 100 101.5 114 116.5 110.5 78.5 99.5 104.5 101 80.5 111.5 113.5 111.5
44R701 Gent (Baudelopark) 99 113.5 110.5 110 127 113.5 NA 79 94 99 95 109.5 127.5 114.5
44R710 Destelbergen 107.5 114.5 112 114.5 127 114 91 77 99 97.5 91 109.5 131 116.5
43N060 Havinnes 102 104 94.5 106.5 113.5 96 77.5 86 74.5 90 93 93.5 108.5 101
43N064 Rixensart 117 120 113 118.5 124.5 104 68.5 75.5 55.5 82 99 102 128 110.5
43N066 Eupen 103 114 104 107 111.5 105 80 76 42 58 91 95 107 107
43N070 Mons 108.5 116.5 107 117.5 108.5 85.5 62 76.5 59 67.5 85.5 88 115 93
43N073 Vezin 115 112 104 115.5 122 99 61 66.5 48.5 70.5 91.5 90 116.5 104
43N085 Vielsalm 112.5 114.5 104.5 107.5 113 112 83.5 69 59 63 74.5 83.5 100.5 103.5
43N093 Sinsin 106 114.5 107 115.5 124 103.5 73 69 56 72.5 86 88 111 103.5
43N100 Dourbes 119.5 124.5 116 126 130.5 109.5 78 81.5 55 77 90.5 96 119.5 109.5
43N113 Saint-Ode 104.5 117 105.5 113 122.5 107 82.5 86.5 75.5 67 75.5 93 104.5 98
43N121 Offagne 88 101.5 96 103 107 88.5 52 44 16.5 52 50 74 75 84.5
43N132 Habay-La-Neuve 104.5 116.5 103.5 106.5 118.5 100 79 72 71.5 66 78.5 93.5 102 102
43R221 Herstal 108.5 112 108.5 110.5 119.5 103.5 76 62 43.5 68.5 97.5 96 116 109
43R222 Liège (ISSeP) 109 113 108 112.5 121 104 76 67 47 71 91.5 96 117.5 110
43R240 Engis 106 111 105.5 112.5 116.5 96 63 57 33 54 87.5 90.5 117 105
43R401 Namur 108 109.5 100.5 104 120 98.5 62.5 69 55.5 75 90 89 112 107
45R502 Lodelinsart 107 112.5 105 112.5 121 94.5 51.5 62.5 55 59 87 87.5 112.5 98
 
Interpolated spatial average in :
Brussels10511010510611896716558788391115102
Flanders1051101071121221087578758989101119108
Wallonia1041121041101169869695166818910599
Belgium104111105111119102717362768594111103
 
% 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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