ERDRE à NANTES, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

24/02/10
2.6
21/04/10
9
15/06/10
3.5
02/09/10
8
27/10/10
5.9
09/12/10
1.5
21/02/11
2.5
14/04/11
3.5
20/06/11
3.6
29/08/11
5.1
11/10/11
6.7
30/11/11
2.5
01/03/12
4.4
04/05/12
2
18/06/12
3.1
03/09/12
3.9
23/10/12
2.2
13/12/12
3.4
26/02/13
1.8
05/04/13
2.2
18/06/13
4.9
22/08/13
3.1
28/10/13
2.9
17/12/13
2.4
24/02/14
1.3
23/04/14
2
27/06/14
7.5
30/07/14
4.7
29/10/14
3.7
29/12/14
3.4
27/02/15
1.4
07/04/15
7
15/06/15
4.7
26/08/15
4.7
19/10/15
3.1
18/12/15
1.5
02/03/16
1.8
20/04/16
6.2
26/05/16
5.4
25/08/16
4.9
19/10/16
3.1
07/12/16
1.6
23/02/17
5.6
24/04/17
6.1
31/05/17
3.5
31/08/17
4.9
17/10/17
5.3
11/12/17
2.5
20/02/18
2.2
24/04/18
3.3
15/06/18
4.1
27/08/18
4.1
26/10/18
3.7
11/12/18
1
19/02/19
1.6
17/04/19
8
14/06/19
6.8
13/08/19
2.8
14/10/19
2.2
16/12/19
0.9
18/02/20
1.5
15/04/20
4.1
22/06/20
4.4
17/08/20
3.2
15/10/20
4
14/12/20
2.6
22/02/21
1.5
14/04/21
2.3
18/06/21
4
31/08/21
4
15/10/21
2.9
29/12/21
2.5
15/02/22
3
05/04/22
5.5
10/06/22
5
31/08/22
5