previous 14 days
O3 concentrations per day (µg/m3), 29/09/2025 - 12/10/2025
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

Codecity29/0930/0901/1002/1003/1004/1005/1006/1007/1008/1009/1010/1011/1012/10
41B011 Sint-Agatha-Berchem7278657353736053445551555764
41MEU1 Neder-Over-Heembeek7984548054685849436156595968
41N043 Voorhaven (Haren)7174566345725850395151545565
41R001 Sint-Jans-MolenbeekNANANANA43685143354948475059
41R012 Ukkel8183707655776350466055505969
42N016 Dessel8182697752726345425554594462
42N027 Bree8989768655866745517460675771
42N035 Aarschot8889688458776255517057696069
42N040 Sint-Pieters-Leeuw8481777956816354526760596567
42N046 Gellik7385687755805845427057634969
42N047 Hasselt8385738458836244527458685774
42R801 Borgerhout7181626845856652454969604666
42R811 Schoten7783617651826448414159544663
42R842 Mechelen (Hendrik Speecqvest)7373507252735851475053504761
44M705 Roeselare (Haven)757336NA55766939NANANA625670
44N012 Moerkerke7781817654776753NANANA554570
44N029 Houtem (Veurne)72698780597158NA517179555877
44R701 Gent (Baudelopark)7577687354776439NANANA635672
44R710 Destelbergen7376687857NANANANANANA655074
43N060 Havinnes 8080948058837267546678557071
43N064 Rixensart9191758558826853467361616674
43N066 Eupen7676726959705841305461534863
43N070 Mons9372655943635840347046365869
43N073 Vezin8283778055796251536663565774
43N085 Vielsalm5945667250805443373855605650
43N093 Sinsin7879747859896354506666626461
43N100 Dourbes7682767458846853526668646761
43N113 Saint-Ode8376767764886653534666616660
43N121 Offagne7870707352756239NA5066616557
43N132 Habay-La-Neuve7570747149816452322367577159
43R221 Herstal6879677756846344386965654270
43R222 Liège (ISSeP)7782657660886745456565614971
43R240 Engis7374637247696042436259545166
43R401 Namur8179737658846451547162525470
45R502 Lodelinsart7777737248715740426651506067
 
Interpolated spatial average in :
Brussels7780667453755948435652535565
Flanders8084758056796753486065625371
Wallonia7779747654776250455963576162
Belgium7981747755786452465963595866
 
% 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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