Max O3, derniers 14 jours

Concentrations O₃ par jour (µg/m³), 18/05/2026 - 31/05/2026

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- Cliquez sur les nombres indiqués dans les cellules pour visualiser des concentrations au cours de la journée choisie
- Cliquez sur la date pour une carte interpolée
- "NA" signifie pas ou pas assez données disponible
[O₃]"jour d'ozone" : est un jour o� a été observé en Belgique au moins un dépassement du seuil de la directive Européenne pour l'information de la population (180 μg/m3).

Code commune 18/05 19/05 20/05 21/05 22/05 23/05 24/05 25/05[O₃]
26/05[O₃]
27/05 28/05 29/05 30/05 31/05

41B011 Berchem-Sainte-Agathe 77.5 69.5 83.5 88 119 116.5 126 124.5 177 127 129.5 130 102 94

41MEU1 Neder-Over-Heembeek 71.5 65 74.5 88 129.5 119 123.5 125.5 162.5 122.5 136.5 126.5 94.5 91

41N043 Avant-port (Haren) 69 59 74.5 80 120 112 119 122 145.5 111.5 120 118.5 88 91

41R001 Molenbeek-Saint-Jean 59.5 NA 77.5 84 113 125.5 124 126.5 166 128 130.5 132 103.5 94.5

41R012 Uccle 75.5 69 80 86 116 118 123 131.5 171.5 121 117.5 129 93.5 84.5

42N016 Dessel 78.5 71 84 98 126.5 129 121 147 156.5 118.5 141 149 133 119

42N027 Bree 93 77 89.5 106 135.5 125.5 124.5 148.5 142.5 115 131 147.5 132.5 119

42N035 Aarschot 86.5 70 88 103.5 123 147 132.5 140.5 140 122 145.5 150 121 106.5

42N040 Sint-Pieters-Leeuw 77.5 68.5 79.5 92 115 117.5 121.5 124 166 126.5 126 129.5 110 84.5

42N046 Gellik 89.5 68.5 87.5 92.5 127.5 120.5 129 148 147 128.5 129 142 117 111

42N047 Hasselt 84.5 72 84.5 95 119 122.5 128 144.5 143 118.5 138 142.5 115 111.5

42R801 Borgerhout 77 67 81 87 126.5 132 124 125 188 120.5 68.5 NA 122.5 107

42R811 Schoten 82.5 71.5 86.5 93.5 135.5 138 123.5 127.5 180 120 144.5 141.5 133.5 106

42R842 Mechelen (Hendrik Speecqvest) 70 66.5 74.5 82.5 119.5 117.5 116 121 172 114 133.5 124 101 95.5

44M705 Roeselare (Haven) 86.5 69 89 91 128.5 130 148 186 184.5 153 145 129.5 141 90.5

44N012 Moerkerke 86.5 73 90 92 136.5 131 146 159.5 185.5 122 144.5 133 151 90

44N029 Houtem (Veurne) 87 76.5 83 93.5 128.5 124 140.5 158.5 194.5 122 147.5 119.5 136.5 80.5

44R701 Gent (Baudelopark) 81.5 71.5 85.5 99 126.5 141 148.5 175 202.5 149.5 149 142.5 141 97.5

44R710 Destelbergen 78.5 72 86.5 98 123.5 142 143 172 197.5 147.5 150.5 144 134 96.5

43N060 Havinnes 72 60.5 69.5 85 103 117.5 117 120 135 135 130 111 168.5 79

43N064 Rixensart 82 73.5 89.5 100.5 118 125.5 114.5 133 145.5 120 127.5 132.5 97 87.5

43N066 Eupen 75.5 67 79.5 93.5 115.5 122 117.5 140.5 131 120.5 118 121 101 95.5

43N070 Mons 59.5 57.5 57.5 85 93.5 97 34.5 NA 147 127 122.5 104.5 94 60

43N073 Vezin 73 65.5 81 94 113 116.5 124 130 129 135.5 121.5 126 108.5 88

43N085 Vielsalm 66.5 63.5 64.5 81.5 109 114.5 109 118 114.5 123 114.5 124.5 70 75.5

43N093 Sinsin 77.5 66 79 87.5 111.5 106.5 126 140.5 137 130.5 126 123.5 115.5 93

43N100 Dourbes 83 77 84 91.5 110.5 108.5 127 130.5 123 155 126 130.5 131 92.5

43N113 Saint-Ode 84 72 75 84 112 119.5 109 129 132.5 127.5 117 117.5 112.5 95

43N121 Offagne 60 59.5 65.5 42.5 70 68.5 74.5 NA NA 118.5 117.5 107 112 82.5

43N132 Habay-La-Neuve 76 71.5 75.5 87 115.5 121 110.5 120.5 136.5 135.5 105.5 120.5 117.5 83.5

43R221 Herstal 84.5 69 85 93 122 123.5 134.5 148 141 127 119 126.5 110.5 95

43R222 Liège (ISSeP) 77 67 82.5 98 118 121 136.5 147.5 145 134 124 144 107 101.5

43R240 Engis 67 62.5 80.5 88 107.5 106.5 130.5 135.5 138.5 127.5 119.5 117 83.5 86.5

43R401 Namur 78 66.5 82.5 93.5 108 119 118.5 127.5 124 132.5 120.5 125 112.5 92.5

45R502 Lodelinsart 65.5 64.5 67 89.5 96 96 123 131 132 128 133 116 104 NA

Moyenne spatiale interpolée:
Bruxelles 76 69 81 87 116 116 119 126 157 121 125 128 95 90
Flandre 81 70 85 94 124 125 128 141 160 124 137 132 124 97
Wallonie 72 66 76 86 102 107 110 124 129 129 118 119 112 83
Belgique 76 68 80 89 112 115 118 131 143 126 126 125 117 89

% de la population exposée aux concentrations O₃ > 180 μg/m³ en :
Bruxelles 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Flandre 0% 0% 0% 0% 0% 0% 0% 0% 13% 0% 0% 0% 0% 0%
Wallonie 0% 0% 0% 0% 0% 0% 0% <1% <1% 0% 0% 0% 0% 0%
Belgique 0% 0% 0% 0% 0% 0% 0% <1% 7% 0% 0% 0% 0% 0%

% de la population exposée aux concentrations O₃ > 240 μg/m³ en :
Bruxelles 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Flandre 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Wallonie 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
Belgique 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%

Code	commune	18/05	19/05	20/05	21/05	22/05	23/05	24/05	25/05[O₃]	26/05[O₃]	27/05	28/05	29/05	30/05	31/05
41B011	Berchem-Sainte-Agathe	77.5	69.5	83.5	88	119	116.5	126	124.5	177	127	129.5	130	102	94
41MEU1	Neder-Over-Heembeek	71.5	65	74.5	88	129.5	119	123.5	125.5	162.5	122.5	136.5	126.5	94.5	91
41N043	Avant-port (Haren)	69	59	74.5	80	120	112	119	122	145.5	111.5	120	118.5	88	91
41R001	Molenbeek-Saint-Jean	59.5	NA	77.5	84	113	125.5	124	126.5	166	128	130.5	132	103.5	94.5
41R012	Uccle	75.5	69	80	86	116	118	123	131.5	171.5	121	117.5	129	93.5	84.5
42N016	Dessel	78.5	71	84	98	126.5	129	121	147	156.5	118.5	141	149	133	119
42N027	Bree	93	77	89.5	106	135.5	125.5	124.5	148.5	142.5	115	131	147.5	132.5	119
42N035	Aarschot	86.5	70	88	103.5	123	147	132.5	140.5	140	122	145.5	150	121	106.5
42N040	Sint-Pieters-Leeuw	77.5	68.5	79.5	92	115	117.5	121.5	124	166	126.5	126	129.5	110	84.5
42N046	Gellik	89.5	68.5	87.5	92.5	127.5	120.5	129	148	147	128.5	129	142	117	111
42N047	Hasselt	84.5	72	84.5	95	119	122.5	128	144.5	143	118.5	138	142.5	115	111.5
42R801	Borgerhout	77	67	81	87	126.5	132	124	125	188	120.5	68.5	NA	122.5	107
42R811	Schoten	82.5	71.5	86.5	93.5	135.5	138	123.5	127.5	180	120	144.5	141.5	133.5	106
42R842	Mechelen (Hendrik Speecqvest)	70	66.5	74.5	82.5	119.5	117.5	116	121	172	114	133.5	124	101	95.5
44M705	Roeselare (Haven)	86.5	69	89	91	128.5	130	148	186	184.5	153	145	129.5	141	90.5
44N012	Moerkerke	86.5	73	90	92	136.5	131	146	159.5	185.5	122	144.5	133	151	90
44N029	Houtem (Veurne)	87	76.5	83	93.5	128.5	124	140.5	158.5	194.5	122	147.5	119.5	136.5	80.5
44R701	Gent (Baudelopark)	81.5	71.5	85.5	99	126.5	141	148.5	175	202.5	149.5	149	142.5	141	97.5
44R710	Destelbergen	78.5	72	86.5	98	123.5	142	143	172	197.5	147.5	150.5	144	134	96.5
43N060	Havinnes	72	60.5	69.5	85	103	117.5	117	120	135	135	130	111	168.5	79
43N064	Rixensart	82	73.5	89.5	100.5	118	125.5	114.5	133	145.5	120	127.5	132.5	97	87.5
43N066	Eupen	75.5	67	79.5	93.5	115.5	122	117.5	140.5	131	120.5	118	121	101	95.5
43N070	Mons	59.5	57.5	57.5	85	93.5	97	34.5	NA	147	127	122.5	104.5	94	60
43N073	Vezin	73	65.5	81	94	113	116.5	124	130	129	135.5	121.5	126	108.5	88
43N085	Vielsalm	66.5	63.5	64.5	81.5	109	114.5	109	118	114.5	123	114.5	124.5	70	75.5
43N093	Sinsin	77.5	66	79	87.5	111.5	106.5	126	140.5	137	130.5	126	123.5	115.5	93
43N100	Dourbes	83	77	84	91.5	110.5	108.5	127	130.5	123	155	126	130.5	131	92.5
43N113	Saint-Ode	84	72	75	84	112	119.5	109	129	132.5	127.5	117	117.5	112.5	95
43N121	Offagne	60	59.5	65.5	42.5	70	68.5	74.5	NA	NA	118.5	117.5	107	112	82.5
43N132	Habay-La-Neuve	76	71.5	75.5	87	115.5	121	110.5	120.5	136.5	135.5	105.5	120.5	117.5	83.5
43R221	Herstal	84.5	69	85	93	122	123.5	134.5	148	141	127	119	126.5	110.5	95
43R222	Liège (ISSeP)	77	67	82.5	98	118	121	136.5	147.5	145	134	124	144	107	101.5
43R240	Engis	67	62.5	80.5	88	107.5	106.5	130.5	135.5	138.5	127.5	119.5	117	83.5	86.5
43R401	Namur	78	66.5	82.5	93.5	108	119	118.5	127.5	124	132.5	120.5	125	112.5	92.5
45R502	Lodelinsart	65.5	64.5	67	89.5	96	96	123	131	132	128	133	116	104	NA

Moyenne spatiale interpolée:
Bruxelles	76	69	81	87	116	116	119	126	157	121	125	128	95	90
Flandre	81	70	85	94	124	125	128	141	160	124	137	132	124	97
Wallonie	72	66	76	86	102	107	110	124	129	129	118	119	112	83
Belgique	76	68	80	89	112	115	118	131	143	126	126	125	117	89

% de la population exposée aux concentrations O₃ > 180 μg/m³ en :
Bruxelles	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
Flandre	0%	0%	0%	0%	0%	0%	0%	0%	13%	0%	0%	0%	0%	0%
Wallonie	0%	0%	0%	0%	0%	0%	0%	<1%	<1%	0%	0%	0%	0%	0%
Belgique	0%	0%	0%	0%	0%	0%	0%	<1%	7%	0%	0%	0%	0%	0%

% de la population exposée aux concentrations O₃ > 240 μg/m³ en :
Bruxelles	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
Flandre	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
Wallonie	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
Belgique	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%

Légende des couleurs: Kleurlegende

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