CANAL MARANS LA ROCHELLE A DOMPIERRE SUR MER, paramètre Nitrates mg(NO3)/L

21/02/19
57.2
22/05/19
46.7
19/06/19
41.2
21/08/19
35.6
17/10/19
22.4
11/12/19
52.9
20/02/20
57.6
18/05/20
57.2
12/06/20
54.1
20/08/20
56.1
15/10/20
35.8
10/12/20
42.1
18/02/21
56.6
20/04/21
62.8
16/06/21
64.4
13/08/21
34.4
14/10/21
35.2
08/12/21
27.3
17/02/22
46
21/04/22
53.4
16/06/22
33.5
18/08/22
29.3
13/10/22
27
08/12/22
20.3
20/02/23
50.9
26/04/23
50.7
19/06/23
28.2
23/08/23
40.9
18/10/23
30.9
13/12/23
48.5