previous 14 days
O3 concentrations per day (µg/m3), 22/02/2026 - 07/03/2026
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

Codecity22/0223/0224/0225/0226/0227/0228/0201/0302/0303/0304/0305/0306/0307/03
41B011 Sint-Agatha-Berchem 72 80 60 63 74 71 79 80 80 83 84 84 71 20
41MEU1 Neder-Over-Heembeek 68 77 48 63 70 68 75 78 82 79 74 79 76 39
41N043 Voorhaven (Haren) 65 72 49 48 65 62 70 74 67 71 67 68 67 36
41R001 Sint-Jans-Molenbeek 58 65 48 51 60 62 71 74 71 60 65 71 58 15
41R012 Ukkel 71 77 56 64 77 74 79 82 81 74 74 83 73 30
42N016 Dessel 63 75 54 59 68 75 73 76 74 79 74 75 68 47
42N027 Bree 74 85 71 66 81 89 85 85 86 90 81 76 69 63
42N035 Aarschot 68 77 64 62 79 79 79 81 81 82 85 83 73 45
42N040 Sint-Pieters-Leeuw 72 77 63 66 73 71 76 79 79 82 83 84 62 21
42N046 Gellik 70 81 66 65 78 88 81 81 82 88 77 80 58 50
42N047 Hasselt 72 80 65 63 79 84 82 81 84 87 90 87 67 57
42R801 Borgerhout 64 73 58 46 57 63 72 77 70 61 67 70 44 38
42R811 Schoten 69 81 61 58 75 68 77 82 84 67 85 85 56 36
42R842 Mechelen (Hendrik Speecqvest) 70 73 54 58 75 68 79 80 80 68 67 79 47 32
44M705 Roeselare (Haven) 74 76 61 57 78 60 77 74 58 NA NA NA 60 45
44N012 Moerkerke 71 79 55 59 76 61 73 69 54 NA NA NA NA NA
44N029 Houtem (Veurne) 73 74 60 55 75 62 75 69 54 NA NA NA 54 58
44R701 Gent (Baudelopark) 69 75 56 60 77 66 76 74 59 NA NA NA 6 16
44R710 Destelbergen 71 79 56 66 82 66 78 76 64 NA NA NA 73 28
43N060 Havinnes 71 80 61 53 79 59 76 78 71 67 82 75 40 13
43N064 Rixensart 73 84 60 66 83 81 83 85 86 92 93 90 74 37
43N066 Eupen 58 73 59 53 72 79 80 77 70 NA NA NA 56 72
43N070 Mons 60 64 51 51 65 62 73 75 66 90 89 74 47 22
43N073 Vezin 65 78 60 62 75 88 82 79 84 88 90 87 79 55
43N085 Vielsalm 55 70 47 44 59 72 73 74 54 NA NA NA 58 87
43N093 Sinsin NA 80 59 62 72 87 84 83 84 87 90 86 72 75
43N100 Dourbes 72 86 67 68 78 94 87 89 88 99 99 98 90 86
43N113 Saint-Ode 70 83 65 55 72 83 82 84 75 88 93 84 67 85
43N121 Offagne 39 76 41 42 56 74 70 73 74 70 78 75 44 67
43N132 Habay-La-Neuve 60 74 59 42 65 76 74 78 76 83 81 77 57 85
43R221 Herstal 65 75 50 59 73 83 80 80 30 NA NA NA 51 61
43R222 Liège (ISSeP) 63 77 57 68 77 88 83 84 60 NA NA NA 70 64
43R240 Engis 57 70 49 55 71 79 78 77 63 NA NA NA 74 62
43R401 Namur 65 78 59 59 73 87 83 81 81 85 84 85 73 43
45R502 Lodelinsart 56 65 51 59 66 77 75 77 74 81 86 82 65 31
 
Interpolated spatial average in :
Brussels6675555870687578767171776623
Flanders7080616277718078817781806541
Wallonia6278555671807979798486836559
Belgium6579585874767979808184816551
 
% 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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