previous 14 days
O3 concentrations per day (µg/m3), 07/01/2026 - 20/01/2026
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

Codecity07/0108/0109/0110/0111/0112/0113/0114/0115/0116/0117/0118/0119/0120/01
41B011 Sint-Agatha-Berchem 60 59 76 49 56 59 40 37 68 76 52 26 14 42
41MEU1 Neder-Over-Heembeek 53 58 74 51 55 57 42 39 65 71 52 34 11 37
41N043 Voorhaven (Haren) 45 50 66 44 48 50 36 31 56 67 41 25 9 33
41R001 Sint-Jans-Molenbeek 48 54 72 34 48 53 35 31 58 63 39 18 5 31
41R012 Ukkel 60 61 76 45 54 59 47 39 72 70 49 49 17 43
42N016 Dessel 58 47 70 54 50 53 39 43 66 63 48 31 16 18
42N027 Bree 67 55 78 51 55 61 49 46 63 74 42 22 11 22
42N035 Aarschot 61 55 75 48 53 59 47 42 73 72 55 39 19 32
42N040 Sint-Pieters-Leeuw 60 62 74 47 57 60 44 40 70 73 54 53 18 51
42N046 Gellik 63 54 75 49 55 62 46 47 65 72 55 30 19 26
42N047 Hasselt 62 49 33 47 52 61 48 44 64 73 58 30 20 25
42R801 Borgerhout 54 46 69 48 49 51 37 34 57 68 35 39 7 23
42R811 Schoten 55 50 76 48 51 53 38 45 65 75 44 44 10 26
42R842 Mechelen (Hendrik Speecqvest) 56 53 76 44 55 58 40 38 63 73 47 35 8 33
44M705 Roeselare (Haven) 55 69 74 59 57 71 42 50 61 76 55 45 20 46
44N012 Moerkerke 56 56 73 53 58 68 41 54 61 72 53 21 22 42
44N029 Houtem (Veurne) 59 72 77 60 60 71 48 60 62 71 49 35 29 42
44R701 Gent (Baudelopark) 53 65 78 48 57 60 40 40 65 77 53 48 23 41
44R710 Destelbergen 57 66 76 46 59 60 41 40 66 77 55 49 28 44
43N060 Havinnes 52 55 73 53 54 54 40 36 58 73 42 47 22 45
43N064 Rixensart 64 63 80 51 59 63 53 45 78 74 62 42 21 42
43N066 Eupen 61 51 64 41 49 56 44 47 60 62 66 45 24 55
43N070 Mons 54 60 75 47 55 56 40 38 64 65 51 47 19 40
43N073 Vezin 63 63 78 48 57 61 52 49 67 73 68 59 23 37
43N085 Vielsalm 60 47 NA 41 50 52 38 39 51 57 46 52 24 26
43N093 Sinsin 68 68 83 49 59 65 53 54 70 75 72 45 24 33
43N100 Dourbes 64 73 79 55 58 59 53 51 69 71 70 60 22 51
43N113 Saint-Ode 67 68 81 50 58 60 52 52 67 71 70 68 25 30
43N121 Offagne 56 53 66 37 46 47 NA 27 56 54 52 47 18 15
43N132 Habay-La-Neuve 62 62 72 53 49 51 47 43 62 64 57 49 27 22
43R221 Herstal 59 48 73 41 50 59 46 45 63 71 60 20 17 26
43R222 Liège (ISSeP) 65 60 79 42 56 65 53 50 70 74 65 20 25 38
43R240 Engis 60 51 68 38 50 55 45 44 64 68 61 21 23 26
43R401 Namur 57 59 77 NA 53 57 49 48 65 71 56 30 22 35
45R502 Lodelinsart 52 54 67 41 48 53 42 36 63 63 54 45 14 32
 
Interpolated spatial average in :
Brussels5558744152564336667046301335
Flanders6158775156614445667551362135
Wallonia6461764753584845646758442231
Belgium6260774955594645657155402233
 
% 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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