LAYON à SAINT-LAMBERT-DU-LATTAY, paramètre Nitrates mg(NO3)/L

24/01/13
21.6
21/02/13
28.8
27/03/13
13.9
25/04/13
20.5
24/05/13
24.6
25/06/13
19.6
12/07/13
13.1
29/08/13
3.2
23/09/13
6.6
28/10/13
6.7
15/11/13
29
16/12/13
23
20/01/14
26
09/04/14
20
25/04/14
18
27/05/14
28
12/06/14
20
31/07/14
6.4
08/08/14
5.6
25/09/14
13
30/10/14
8.7
21/11/14
17
19/12/14
19
09/01/15
21
17/02/15
21
20/03/15
23
29/04/15
13
28/05/15
17
10/06/15
13
23/07/15
1.9
27/08/15
4
23/09/15
12
21/10/15
8.9
19/11/15
5.8
04/12/15
16
25/01/16
27.3
19/02/16
23.4
09/03/16
15.1
22/04/16
18.2
26/05/16
20.2
28/06/16
14.1
25/07/16
10.6
11/08/16
2.9
08/09/16
1
17/10/16
4.9
24/11/16
5.4
15/12/16
12.8
16/01/17
18.4
06/02/17
18.9
14/03/17
33.2
18/04/17
8.6
22/05/17
4.5
29/06/17
0.5
Limite de quantif.
25/07/17
0.5
Limite de quantif.
28/08/17
0.9
12/09/17
1.3
23/10/17
2.7
21/11/17
8.8
22/12/17
12
12/01/18
46
28/02/18
39
22/03/18
26
27/04/18
21
28/05/18
15
28/06/18
14
17/07/18
9.2
28/08/18
0.5
20/09/18
0.5
Limite de quantif.
30/10/18
1.4
29/11/18
40
21/12/18
1.5
18/01/19
34
22/02/19
34
22/03/19
25
24/04/19
12
21/05/19
9.8
21/06/19
9.1
17/07/19
0.5
Limite de quantif.
21/08/19
0.9
10/09/19
0.5
Limite de quantif.
21/10/19
2.1
21/11/19
40
23/12/19
32
14/01/20
29
25/02/20
27
11/03/20
23
27/05/20
15
24/06/20
10
16/07/20
2.8
17/08/20
1.6
15/09/20
0.5
Limite de quantif.
26/10/20
7.7
13/11/20
9.3
26/11/20
11
18/12/20
31
19/01/21
35
26/02/21
26
29/03/21
18
29/04/21
8.1
31/05/21
11
18/06/21
5.3
27/07/21
1.9
30/08/21
1.3
28/09/21
1.2
19/10/21
3.7
19/11/21
3.7
21/12/21
12
24/01/22
32
21/02/22
19
09/03/22
20
22/04/22
3.9
13/05/22
4.1
22/06/22
1.3
21/07/22
0.5
Limite de quantif.
23/08/22
0.5
Limite de quantif.
08/09/22
1
21/10/22
0.8
23/11/22
4.1
20/12/22
8.9
19/01/23
40
20/02/23
31
20/03/23
23
20/04/23
13
25/05/23
8.2
20/06/23
5.4
24/07/23
0.5
Limite de quantif.
25/08/23
0.5
Limite de quantif.
19/09/23
4.2
25/10/23
4.1
23/11/23
25