| Code | city | 01/02 | 02/02 | 03/02 | 04/02 | 05/02 | 06/02 | 07/02 | 08/02 | 09/02 | 10/02 | 11/02 | 12/02 | 13/02 | 14/02 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 41B011 | Sint-Agatha-Berchem | 59 | 43 | 58.5 | 58.5 | 39 | 69 | 69 | 70.5 | 46.5 | 56 | 79 | 67.5 | 64.5 | 64.5 | |
| 41MEU1 | Neder-Over-Heembeek | 59.5 | 46.5 | 54 | 66 | 36 | 57.5 | 71.5 | 70 | 44 | 59 | 74 | 65 | 49 | 70.5 | |
| 41N043 | Voorhaven (Haren) | 51 | 40.5 | 47.5 | 56.5 | 35 | 56.5 | 59 | 63 | 37.5 | 46 | 70 | 59.5 | 42 | 65 | |
| 41R001 | Sint-Jans-Molenbeek | 48.5 | 36 | 52 | 51.5 | 31.5 | 44.5 | 59.5 | 58 | 40.5 | 47 | 64.5 | 52.5 | 51 | 52 | |
| 41R012 | Ukkel | 60 | 41 | 63.5 | 60.5 | 41 | 66 | 70.5 | 66.5 | 51 | 65.5 | 79.5 | 72.5 | 68.5 | 69 | |
| 42N016 | Dessel | 60.5 | 51 | 58 | 59 | 35 | 54 | 70 | 41.5 | 40.5 | 51.5 | 65.5 | 64 | 50 | 71 | |
| 42N027 | Bree | 64.5 | 56.5 | 58.5 | 63 | 35 | 67.5 | 78 | 47 | 36.5 | 57 | 78 | 62 | 48 | 64 | |
| 42N035 | Aarschot | 68 | 46.5 | 63 | 64 | 41 | 69 | 71 | 54 | 50 | 61.5 | 75.5 | 65.5 | 47.5 | 69.5 | |
| 42N040 | Sint-Pieters-Leeuw | 63 | 61.5 | 63.5 | 61 | 44.5 | 76 | 71 | 74.5 | 52 | 66 | 85 | 75 | 72 | 67.5 | |
| 42N046 | Gellik | 62.5 | 45.5 | 66.5 | 60 | 40 | 65 | 75.5 | 50 | 50.5 | 60.5 | 85 | 68 | 40 | 60 | |
| 42N047 | Hasselt | 71.5 | 45.5 | 67 | 65.5 | 42.5 | 64.5 | 77.5 | 44.5 | 47.5 | 63.5 | 82 | 66 | 47.5 | 64 | |
| 42R801 | Borgerhout | 51.5 | 38.5 | 48.5 | 47.5 | 24 | 46 | 56 | 47.5 | 39 | 42 | 75.5 | 57 | 51 | 69 | |
| 42R811 | Schoten | 60 | 43.5 | 50.5 | 60 | 29.5 | 50.5 | 66.5 | 58.5 | 37.5 | 54 | 46.5 | 60 | 51 | 72.5 | |
| 42R842 | Mechelen (Hendrik Speecqvest) | 61 | 44 | 52 | 58.5 | 41.5 | 52.5 | 65.5 | 57.5 | 47 | 56 | 67 | 62.5 | 48.5 | 70.5 | |
| 44M705 | Roeselare (Haven) | 58.5 | 42.5 | 54 | 49 | 42 | 69 | 76.5 | 69.5 | 50 | 75.5 | 76 | 73 | 52 | 82 | |
| 44N012 | Moerkerke | 59 | 38.5 | 48.5 | 55 | 45 | 62 | 71.5 | 68 | 50 | 70 | 80 | 67.5 | 53 | 80.5 | |
| 44N029 | Houtem (Veurne) | 52 | 54.5 | 54.5 | 59 | 41 | 73.5 | 66.5 | 56 | 49.5 | 65.5 | 80.5 | 68.5 | 68.5 | 82.5 | |
| 44R701 | Gent (Baudelopark) | 54.5 | 47.5 | 55 | 59.5 | 42.5 | 58 | NA | 19.5 | 47 | 58.5 | 68.5 | 64 | 49.5 | 76 | |
| 44R710 | Destelbergen | 60.5 | 47.5 | 56 | 55 | 43.5 | 61 | 71.5 | 71.5 | 52.5 | 64 | 76.5 | 68.5 | 51 | 77 | |
| 43N060 | Havinnes | 56 | 47.5 | NA | NA | NA | 63 | 73.5 | 68 | 49 | 69.5 | 88 | 77.5 | 59 | 78.5 | |
| 43N064 | Rixensart | 70 | 51 | NA | NA | NA | 67.5 | 78 | 78 | 55 | 65.5 | 85.5 | 74.5 | 73.5 | 76.5 | |
| 43N066 | Eupen | 52.5 | 56.5 | 60.5 | 72.5 | 60.5 | 58 | 70 | 77 | 53 | 63.5 | 69 | 64.5 | 61 | 54 | |
| 43N070 | Mons | NA | NA | NA | NA | NA | 52.5 | 60 | 66.5 | 42.5 | 53.5 | 67.5 | 65.5 | 54.5 | 71 | |
| 43N073 | Vezin | 73 | 52.5 | 73 | 71 | 50 | 59.5 | 78.5 | 78 | 59.5 | NA | NA | NA | 65.5 | 69 | |
| 43N085 | Vielsalm | 47.5 | 55 | 58.5 | 62 | 48.5 | 44 | 60 | 66 | 53 | 51 | 75.5 | 69.5 | 63 | 53 | |
| 43N093 | Sinsin | 74 | 60.5 | 77 | 75 | 51 | 68 | 80.5 | 77.5 | 61 | NA | NA | NA | NA | NA | |
| 43N100 | Dourbes | 70.5 | 65 | NA | NA | NA | 78.5 | 78.5 | 57.5 | NA | 81 | 91.5 | 89.5 | 78.5 | 73 | |
| 43N113 | Saint-Ode | 65 | 59 | 79 | 74 | 46.5 | 74 | 77 | 81 | 63.5 | NA | NA | NA | 77 | 57.5 | |
| 43N121 | Offagne | 51 | 53 | 54 | 54.5 | 33 | 37 | 60 | 67 | 51.5 | NA | NA | NA | 41 | 45 | |
| 43N132 | Habay-La-Neuve | 57 | 68 | 73 | 48.5 | 34 | 65 | 72 | 62 | 57.5 | NA | NA | NA | 79.5 | 54.5 | |
| 43R221 | Herstal | 56 | 47 | 61.5 | 67.5 | 43 | 36 | 70.5 | 43.5 | 44.5 | 58 | 64 | 66.5 | 54.5 | 54 | |
| 43R222 | Liège (ISSeP) | 65.5 | 51 | 71 | 74.5 | 47.5 | 55.5 | 79.5 | 62 | 57 | 70 | 75 | 75 | 56 | 59.5 | |
| 43R240 | Engis | 72.5 | 42 | 66.5 | 70.5 | 45 | 44 | 72.5 | 70 | 56 | 66.5 | 58.5 | 57.5 | 54 | 59.5 | |
| 43R401 | Namur | 67.5 | 50.5 | 70.5 | 61 | 45 | 52.5 | 75.5 | 67 | 58 | NA | NA | NA | NA | NA | |
| 45R502 | Lodelinsart | 61 | 40.5 | NA | NA | NA | 42.5 | 68 | 72 | 54.5 | 59.5 | 71 | 60 | 58.5 | 62.5 | |
| Interpolated spatial average in : | ||||||||||||||||
| Brussels | 57 | 42 | 57 | 57 | 38 | 61 | 66 | 64 | 45 | 56 | 74 | 63 | 52 | 63 | ||
| Flanders | 61 | 46 | 57 | 59 | 40 | 61 | 72 | 60 | 50 | 62 | 78 | 67 | 51 | 74 | ||
| Wallonia | 61 | 52 | 65 | 63 | 43 | 60 | 71 | 68 | 58 | 65 | 78 | 74 | 62 | 61 | ||
| Belgium | 61 | 49 | 61 | 61 | 42 | 60 | 71 | 65 | 54 | 64 | 78 | 71 | 57 | 67 | ||
| % 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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