DOUET A DOUE EN ANJOU, paramètre Nitrates mg(NO3)/L

12/02/19
36
12/03/19
40
09/04/19
38
09/04/19
38
21/05/19
30
11/06/19
27
09/07/19
18
12/08/19
23
10/09/19
33
15/10/19
37
12/11/19
31
10/12/19
40
08/01/20
41
04/02/20
35
03/03/20
33
05/05/20
33
03/06/20
41
07/07/20
35
04/08/20
36
15/09/20
34
06/10/20
41
03/11/20
34
08/12/20
40
12/01/21
46
02/03/21
54
07/04/21
43
04/05/21
41
08/06/21
35
06/07/21
34
03/08/21
36
16/09/21
37
05/10/21
32
03/11/21
19
07/12/21
38
10/01/22
33
14/02/22
48
15/03/22
45
11/04/22
39
09/05/22
37
13/06/22
23
11/07/22
36
08/08/22
46
07/09/22
20
10/10/22
45
14/11/22
37
12/12/22
38
10/01/23
39
13/02/23
40
13/03/23
43
11/04/23
35
09/05/23
22
12/06/23
21
10/07/23
19
07/08/23
30
11/09/23
41
09/10/23
40
13/11/23
34