VILAINE à VITRE, paramètre Nitrates mg(NO3)/L

07/01/13
28
04/02/13
29
04/03/13
29
11/04/13
21
14/05/13
24
11/06/13
18
09/07/13
14
07/08/13
11
02/09/13
7
09/10/13
4.1
06/11/13
8
04/12/13
13
06/01/14
22
03/02/14
23
05/03/14
24
07/04/14
24
14/05/14
18
12/06/14
17
10/07/14
14
12/08/14
8.5
03/09/14
5.5
02/10/14
6.3
06/11/14
6.8
03/12/14
7.6
15/01/15
17
10/02/15
28
11/03/15
27
07/04/15
24
12/05/15
21
10/06/15
15
02/07/15
11
12/08/15
6.9
10/09/15
3.9
07/10/15
3.1
04/11/15
3.1
10/12/15
9.4
14/01/16
21
02/02/16
24
09/03/16
21
05/04/16
23
12/05/16
17
31/05/16
17
07/07/16
12
04/08/16
11
06/09/16
8.1
06/10/16
4.2
06/12/16
3.7
12/01/17
10
07/02/17
25
02/03/17
21
06/04/17
17
04/05/17
13
01/06/17
15
06/07/17
8.9
03/08/17
5.8
07/09/17
3.4
05/10/17
2.8
07/11/17
2.4
07/12/17
5.5
04/01/18
24
06/02/18
32
06/03/18
29
05/04/18
26
03/05/18
23
07/06/18
21
05/07/18
18
02/08/18
13
06/09/18
7
04/10/18
4.9
08/11/18
6.4
06/12/18
4.1
08/01/19
18
05/02/19
20
05/03/19
24
02/04/19
22
02/05/19
19
04/06/19
14
02/07/19
16
06/08/19
11
03/09/19
5.6
01/10/19
2.3
06/11/19
8.4
03/12/19
25
07/01/20
27
10/02/20
25
03/03/20
25
05/05/20
20
02/06/20
15
24/08/20
6.1
01/09/20
4.8
19/10/20
3.5
03/11/20
7.2
09/11/20
6
01/12/20
6.7
06/01/21
22
08/02/21
24
03/03/21
27
28/04/21
20
05/05/21
20
14/06/21
16
07/07/21
11
09/08/21
9.8
08/09/21
6.6
11/10/21
6.2
03/11/21
5.4
13/12/21
9.6
05/01/22
19
02/02/22
22
02/03/22
23
06/04/22
18
04/05/22
18
08/06/22
11
06/07/22
7.7
03/08/22
4.3
07/09/22
2.7
13/10/22
2.2
14/11/22
4.1
14/12/22
6.1
18/01/23
25
07/02/23
29
07/03/23
26
12/04/23
21
11/05/23
21
21/06/23
12
06/07/23
8.5
14/08/23
7.1
06/09/23
3.7
03/10/23
1.5
07/11/23
11
05/12/23
19