CENS à NANTES, paramètre Nitrates mg(NO3)/L

17/02/10
15.7
07/04/10
8.7
07/06/10
5
27/07/10
5.9
19/10/10
4
02/12/10
14
14/02/11
10.6
06/04/11
9
08/06/11
6.7
23/08/11
3.2
18/10/11
6.8
30/11/11
4.2
29/02/12
10.5
10/04/12
4.7
08/06/12
5.5
05/09/12
4.5
24/10/12
12.9
11/12/12
12.5
01/03/13
13.7
12/04/13
6
20/06/13
8.3
20/08/13
5.6
29/10/13
7.9
18/12/13
11.9
27/02/14
5.4
09/04/14
8
30/06/14
4.6
31/07/14
5.1
29/10/14
4.9
09/12/14
8.9
24/02/15
8.8
14/04/15
9.3
12/06/15
7.2
27/08/15
2.4
28/10/15
4.7
16/12/15
9.5
09/02/16
9.4
21/04/16
8.8
08/06/16
8.2
26/08/16
5.5
25/10/16
4.3
16/12/16
7.2