RAU DE GESVRES à VIGNEUX-DE-BRETAGNE, paramètre Nitrates mg(NO3)/L

08/02/11
9.7
05/04/11
7.3
09/06/11
6.8
09/08/11
5.5
06/10/11
3.1
08/12/11
6.9
28/02/12
9.7
26/04/12
6.5
18/06/12
12.6
21/08/12
68.9
23/10/12
10.1
18/12/12
8
27/02/13
11.6
11/04/13
4.8
11/06/13
12.6
12/08/13
8.9
28/10/13
4.4
03/12/13
7.3
26/02/14
6
23/04/14
7.7
23/06/14
7.1
05/08/14
5
20/10/14
4.2
17/12/14
7.2
17/02/15
5.2
28/04/15
6.3
18/06/15
7.6
31/08/15
3.4
08/10/15
5.6
22/12/15
7.9
22/02/16
7.4
28/04/16
7.4
30/06/16
7.1
22/08/16
8.7
25/10/16
5.4
02/12/16
5.9
07/02/17
13.4
11/04/17
9.4
19/06/17
6
23/08/17
5.4
18/10/17
3.5
13/12/17
9.8
28/02/18
12
27/04/18
6.8
29/06/18
7.8
31/08/18
6.4
19/10/18
3.1
28/02/20
5.6
25/06/20
5.6
31/08/20
5.6
23/10/20
4.2
25/11/20
6.1
18/12/20
6.8
18/02/21
8.2
23/04/21
6.8
24/06/21
5.2
27/08/21
5.6
26/10/21
3.7
22/12/21
7.1