ERDRE à NORT-SUR-ERDRE, paramètre Nitrates mg(NO3)/L

14/01/10
29.2
03/02/10
34.3
17/03/10
31.9
19/04/10
21.5
10/05/10
21.1
16/06/10
12.9
01/07/10
5.8
02/08/10
2.7
28/09/10
3.4
21/10/10
2.9
08/11/10
6.1
08/12/10
30.1
26/01/11
15.1
07/02/11
29.3
22/03/11
26.8
05/04/11
21.7
11/05/11
14.9
23/06/11
7.3
12/07/11
2.5
17/08/11
2.7
07/09/11
4.3
05/10/11
2.6
21/11/11
2.2
15/12/11
21.6
18/01/12
35.6
29/02/12
28.2
13/03/12
22.6
25/04/12
14.8
23/05/12
18.7
21/06/12
9.3
10/07/12
0.8
24/08/12
1.3
17/09/12
2.1
05/10/12
2.1
08/11/12
30.5
05/12/12
25.7
06/02/13
24
04/04/13
27.3
28/06/13
14.8
07/08/13
8.7
14/10/13
4.8
05/12/13
24
18/02/14
15
01/04/14
22
24/06/14
11
04/08/14
6.6
08/10/14
4.7
02/12/14
20
13/02/15
25
22/04/15
18
15/06/15
12
24/08/15
1.9
12/10/15
4.9
10/12/15
19
20/04/16
19.2
15/06/16
15.6
25/08/16
2.6
13/10/16
2.7
20/12/16
14.9
20/02/17
41.9
19/04/17
11.7
21/06/17
0.9
29/08/17
0.5
18/10/17
0.5
Limite de quantif.
11/12/17
6.1
17/01/18
44
15/02/18
34
22/03/18
26
17/04/18
21
28/05/18
13
19/06/18
13
30/07/18
3.5
21/08/18
1.8
05/09/18
0.5
Limite de quantif.
19/10/18
0.8
30/11/18
50
11/12/18
60
06/02/19
36
17/04/19
19
17/04/19
19
05/07/19
1.7
22/08/19
1.2
21/10/19
3
26/02/20
24
16/04/20
21
25/06/20
16
25/08/20
1.8
23/10/20
9.9
18/12/20
31
24/02/21
24
23/04/21
18
24/06/21
11
16/08/21
4.8
26/10/21
9.5
22/12/21
29
23/02/22
22
21/04/22
12
28/06/22
3.4