| Code | city | 24/11 | 25/11 | 26/11 | 27/11 | 28/11 | 29/11 | 30/11 | 01/12 | 02/12 | 03/12 | 04/12 | 05/12 | 06/12 | 07/12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B011 | Sint-Agatha-Berchem | 55 | 29 | 33 | 41 | 36 | 61 | 69 | 55 | 57 | 53 | 59 | 63 | 62 | 61 | |
| 41MEU1 | Neder-Over-Heembeek | 48 | 39 | 45 | 39 | 37 | 53 | 65 | 58 | 59 | 54 | 63 | 65 | 64 | 58 | |
| 41N043 | Voorhaven (Haren) | 44 | 34 | 39 | 35 | 34 | 48 | 63 | 45 | 35 | 48 | 52 | 40 | NA | NA | |
| 41R001 | Sint-Jans-Molenbeek | 44 | 23 | 29 | 35 | 32 | 49 | 56 | 51 | 55 | 46 | 54 | 61 | 60 | 56 | |
| 41R012 | Ukkel | 53 | 37 | 35 | 51 | 40 | 59 | 71 | 58 | 59 | 54 | 63 | 66 | 64 | 61 | |
| 42N016 | Dessel | 51 | 44 | 44 | 42 | 38 | 50 | 67 | 59 | 61 | 39 | 45 | 63 | 62 | 54 | |
| 42N027 | Bree | 52 | 52 | 43 | 47 | 44 | 63 | 73 | 63 | 66 | 43 | 62 | 71 | 70 | 66 | |
| 42N035 | Aarschot | 55 | 42 | 42 | 50 | 43 | 61 | 71 | 60 | 62 | 43 | 61 | 65 | 66 | 65 | |
| 42N040 | Sint-Pieters-Leeuw | 56 | 43 | 38 | NA | NA | NA | NA | 56 | 57 | 51 | 58 | 65 | 64 | 62 | |
| 42N046 | Gellik | 48 | 54 | 47 | 44 | 40 | 64 | 66 | 62 | 64 | 39 | 54 | 67 | 67 | 61 | |
| 42N047 | Hasselt | 46 | 52 | 46 | 47 | 42 | 66 | 69 | 61 | 57 | 42 | 60 | 67 | 67 | 63 | |
| 42R801 | Borgerhout | 50 | 36 | 37 | 36 | 35 | 49 | 64 | 55 | 58 | 42 | 50 | 59 | 61 | 62 | |
| 42R811 | Schoten | 53 | 36 | 40 | 40 | 36 | 54 | 72 | 56 | 59 | 47 | 62 | 64 | 65 | 62 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 55 | 39 | 35 | 40 | 35 | 56 | 61 | 58 | 60 | 52 | 62 | 64 | 65 | 64 | |
| 44M705 | Roeselare (Haven) | 58 | 71 | 56 | 48 | 50 | 65 | 67 | 52 | 50 | 59 | 47 | 63 | 68 | 63 | |
| 44N012 | Moerkerke | 56 | 73 | 63 | 49 | 50 | 63 | 74 | 57 | 51 | 64 | 55 | 64 | 68 | 65 | |
| 44N029 | Houtem (Veurne) | 61 | 73 | 68 | 56 | 60 | 63 | 74 | 56 | 51 | 57 | 59 | 63 | 70 | 64 | |
| 44R701 | Gent (Baudelopark) | 48 | 49 | 41 | 47 | 42 | 59 | 69 | 54 | 54 | 58 | 57 | 64 | 62 | 62 | |
| 44R710 | Destelbergen | 49 | 51 | 31 | 49 | 45 | 59 | 67 | 57 | 56 | 61 | 60 | 67 | 65 | 62 | |
| 43N060 | Havinnes | 55 | 66 | 44 | 38 | 34 | 63 | 77 | 59 | 55 | 69 | 57 | 63 | 71 | 68 | |
| 43N064 | Rixensart | 47 | 46 | 52 | 51 | 42 | 61 | 73 | 65 | 65 | 61 | 67 | 70 | 71 | 65 | |
| 43N066 | Eupen | 50 | 42 | 33 | 44 | 41 | 54 | 59 | 57 | 53 | 37 | 49 | 63 | 60 | 60 | |
| 43N070 | Mons | 33 | 33 | 32 | 33 | 32 | 45 | 53 | 52 | 52 | 38 | 44 | 59 | 61 | 59 | |
| 43N073 | Vezin | 62 | 51 | 39 | 48 | 42 | 59 | 66 | 63 | 62 | 50 | 66 | 68 | 68 | 61 | |
| 43N085 | Vielsalm | 47 | 48 | 42 | 41 | 35 | 48 | 64 | 51 | 40 | 37 | 45 | 60 | 56 | 54 | |
| 43N093 | Sinsin | 60 | 60 | 43 | 50 | 43 | 68 | 63 | 66 | 62 | 44 | 67 | 72 | 68 | 64 | |
| 43N100 | Dourbes | 57 | 60 | 40 | 51 | 46 | 64 | 64 | 62 | 57 | 56 | 65 | 68 | 67 | 62 | |
| 43N113 | Saint-Ode | 62 | 56 | 48 | 54 | 44 | 61 | 76 | 64 | 51 | 52 | 59 | 70 | 68 | 69 | |
| 43N121 | Offagne | 40 | 41 | 28 | 32 | 28 | 40 | 30 | 48 | 43 | 26 | 50 | 56 | 52 | NA | |
| 43N132 | Habay-La-Neuve | 56 | 53 | 46 | 46 | 37 | 48 | 57 | 60 | 38 | 38 | 52 | 63 | 61 | 60 | |
| 43R221 | Herstal | 49 | 44 | 40 | 41 | 37 | 53 | 56 | 58 | 56 | 28 | 49 | 64 | 63 | 61 | |
| 43R222 | Liège (ISSeP) | 47 | NA | 38 | 46 | 44 | 58 | 62 | 63 | 64 | 43 | 60 | 71 | 70 | 65 | |
| 43R240 | Engis | 46 | 41 | 36 | 38 | 35 | 48 | 59 | 56 | 52 | 38 | 59 | 67 | 64 | 49 | |
| 43R401 | Namur | 66 | 49 | 34 | 44 | 40 | 63 | 64 | 62 | 60 | 47 | 62 | 65 | 67 | 63 | |
| 45R502 | Lodelinsart | 43 | 43 | 36 | 39 | 34 | 46 | 52 | 56 | 55 | 40 | 56 | 61 | 61 | 48 | |
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 50 | 30 | 34 | 43 | 38 | 54 | 64 | 56 | 58 | 49 | 57 | 64 | 62 | 60 | ||
| Flanders | 54 | 49 | 46 | 48 | 43 | 58 | 70 | 59 | 59 | 54 | 60 | 66 | 67 | 63 | ||
| Wallonia | 52 | 45 | 39 | 45 | 40 | 53 | 59 | 59 | 53 | 44 | 58 | 65 | 65 | 61 | ||
| Belgium | 53 | 47 | 42 | 46 | 41 | 56 | 64 | 59 | 56 | 48 | 59 | 66 | 66 | 62 | ||
| % of the population exposed to O3 concentrations > 180 μg/m³ in: | ||||||||||||||||
| Brussels | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Flanders | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Wallonia | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Belgium | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| % of the population exposed to O3 concentrations > 240 μg/m³ in: | ||||||||||||||||
| Brussels | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Flanders | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Wallonia | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
| Belgium | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | ||
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