VILAINE à CESSON-SEVIGNE, paramètre Nitrates mg(NO3)/L

14/01/13
32
19/02/13
32.4
04/04/13
35.1
10/05/13
25.4
05/06/13
18.1
01/07/13
16.9
05/08/13
12.1
05/09/13
7.5
17/10/13
34
04/11/13
9.8
04/12/13
23
13/01/14
30
05/03/14
22
04/04/14
20
05/05/14
16
05/06/14
9.2
02/07/14
9.9
06/08/14
6.3
02/09/14
7.5
03/10/14
5.2
12/11/14
15
12/12/14
16
20/01/15
23
06/02/15
27
04/03/15
25
14/04/15
23
11/05/15
20
03/06/15
11
08/07/15
8.4
04/08/15
5.9
09/09/15
5.7
05/10/15
3.3
04/11/15
3.1
02/12/15
7.2
26/01/16
24.6
18/02/16
26.9
15/03/16
24.4
11/04/16
22
26/05/16
11.9
09/06/16
10.6
11/07/16
13.4
16/08/16
6.8
05/09/16
4
24/10/16
5.1
07/11/16
3.2
01/12/16
6.8
19/01/17
20.5
14/02/17
36.3
09/03/17
25.4
13/04/17
13.3
02/05/17
9.5
20/06/17
5.1
10/07/17
3.9
17/08/17
2.7
11/09/17
3.9
09/10/17
2.7
13/11/17
4.1
18/12/17
30
08/01/18
29
12/02/18
30
05/03/18
30
16/04/18
25
29/05/18
16
21/06/18
26
16/07/18
18
01/08/18
15
18/09/18
4.7
08/10/18
6
19/11/18
5.5
17/12/18
18
28/01/19
20
04/02/19
30
18/03/19
23
15/04/19
19
13/05/19
12
03/06/19
8
15/07/19
4.7
05/08/19
3.4
02/09/19
2.9
07/10/19
3.5
04/11/19
21
20/01/20
28
17/02/20
12
09/03/20
22
19/05/20
18
02/06/20
14
23/07/20
7.8
03/08/20
6
01/09/20
4.2
19/10/20
3.5
02/11/20
9.3
09/11/20
9.3
01/12/20
10
11/01/21
29
01/02/21
22
22/03/21
23
28/04/21
14
27/05/21
11
14/06/21
8.6
12/07/21
8.9
16/08/21
4.1
20/09/21
3.9
11/10/21
6.8
09/11/21
5.6
13/12/21
18
13/01/22
25
11/02/22
23
11/03/22
22
13/04/22
15
10/05/22
12
10/06/22
7.2
28/07/22
3.1
10/08/22
3.2
06/09/22
1.9
13/10/22
4.2
14/11/22
5.5
14/12/22
12
25/01/23
36
07/02/23
33
22/03/23
24
12/04/23
23
11/05/23
14
21/06/23
8.4
06/07/23
7
14/08/23
4.6
06/09/23
4.4
16/10/23
3.8
09/11/23
21