On this page you will find an overview of the strongest geomagnetic storms of 2018 together with links to more information in our archive. The Kp-values on this page are the official, finalized Kp-values from the GFZ in Potsdam, Germany. The Ap-index provides a daily geomagnetic activity average. This page is updated daily. Times are in UTC.
Ap | 00-03h | 03-06h | 06-09h | 09-12h | 12-15h | 15-18h | 18-21h | 21-00h | Kp max | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2018/08/26 | 67 | 5 | 7- | 7+ | 5- | 5- | 6 | 5 | 3 | 7+ | View archive |
2 | 2018/04/20 | 43 | 3+ | 4 | 6 | 6- | 4+ | 5 | 5+ | 3+ | 6 | View archive |
3 | 2018/09/11 | 35 | 4- | 5 | 6 | 6- | 3 | 3 | 4- | 2+ | 6 | View archive |
4 | 2018/03/18 | 22 | 3- | 2+ | 1- | 1 | 3+ | 4- | 4+ | 6 | 6 | View archive |
5 | 2018/11/05 | 32 | 4+ | 6- | 5 | 5- | 3+ | 3+ | 4- | 2+ | 6- | View archive |
6 | 2018/05/06 | 26 | 6- | 4 | 3+ | 3- | 3 | 2+ | 4+ | 4+ | 6- | View archive |
7 | 2018/08/27 | 25 | 1+ | 2+ | 3- | 4- | 4- | 6- | 5 | 3- | 6- | View archive |
8 | 2018/05/05 | 23 | 1- | 1- | 0+ | 3- | 4 | 5- | 4+ | 6- | 6- | View archive |
9 | 2018/10/07 | 24 | 0+ | 1- | 1 | 2+ | 4- | 5+ | 5+ | 5- | 5+ | View archive |
10 | 2018/02/27 | 18 | 4 | 5+ | 2- | 2 | 4+ | 2+ | 1+ | 1 | 5+ | View archive |
11 | 2018/11/04 | 16 | 1 | 1- | 1- | 1- | 1 | 3- | 5- | 5+ | 5+ | View archive |
12 | 2018/09/10 | 20 | 0+ | 0+ | 1- | 2+ | 3- | 5 | 4+ | 5 | 5 | View archive |
13 | 2018/06/25 | 12 | 1 | 1- | 1- | 2- | 3- | 2 | 3 | 5 | 5 | View archive |
14 | 2018/09/22 | 27 | 5- | 4+ | 4- | 4 | 4+ | 3- | 4 | 4- | 5- | View archive |
15 | 2018/06/01 | 23 | 3 | 4- | 5- | 4+ | 5- | 4- | 2+ | 2+ | 5- | View archive |
16 | 2018/06/26 | 20 | 5- | 4- | 3- | 4- | 4- | 3 | 3+ | 2 | 5- | View archive |
17 | 2018/07/05 | 17 | 2+ | 1 | 0+ | 2 | 4- | 4+ | 5- | 4- | 5- | View archive |
18 | 2018/10/10 | 15 | 3+ | 1 | 2- | 2 | 3+ | 3 | 5- | 3- | 5- | View archive |
19 | 2018/01/14 | 13 | 5- | 4 | 2 | 1+ | 2- | 2 | 1 | 2 | 5- | View archive |
20 | 2018/02/15 | 11 | 1 | 0 | 2 | 1 | 2+ | 5- | 3 | 3- | 5- | View archive |
21 | 2018/12/28 | 22 | 4 | 4 | 4+ | 3 | 4- | 3 | 3+ | 3+ | 4+ | View archive |
22 | 2018/10/08 | 19 | 4 | 4+ | 4- | 2 | 4+ | 4- | 2 | 2- | 4+ | View archive |
23 | 2018/03/16 | 18 | 3 | 4+ | 3- | 2+ | 3 | 4 | 3 | 4- | 4+ | View archive |
24 | 2018/02/23 | 15 | 2- | 4- | 3 | 4+ | 1+ | 2 | 3+ | 3- | 4+ | View archive |
25 | 2018/09/14 | 14 | 4+ | 4 | 2+ | 2 | 2 | 2- | 3- | 3 | 4+ | View archive |
26 | 2018/03/19 | 14 | 4+ | 4- | 3 | 1 | 2- | 2 | 2+ | 3 | 4+ | View archive |
27 | 2018/03/17 | 14 | 4+ | 3 | 2+ | 2- | 2+ | 2- | 2+ | 4- | 4+ | View archive |
28 | 2018/11/10 | 13 | 2 | 2- | 2 | 4+ | 2 | 1+ | 4- | 3+ | 4+ | View archive |
29 | 2018/10/13 | 13 | 1 | 2+ | 1+ | 0+ | 2- | 4+ | 4 | 3+ | 4+ | View archive |
30 | 2018/08/25 | 12 | 1- | 1 | 2 | 2+ | 3- | 2- | 4- | 4+ | 4+ | View archive |
31 | 2018/05/31 | 12 | 1+ | 1+ | 1- | 1+ | 2- | 4- | 4+ | 3 | 4+ | View archive |
32 | 2018/04/11 | 12 | 4+ | 4- | 3 | 2- | 1+ | 1- | 1+ | 2 | 4+ | View archive |
33 | 2018/04/09 | 11 | 1+ | 1+ | 2 | 1+ | 2 | 2+ | 3 | 4+ | 4+ | View archive |
34 | 2018/03/09 | 10 | 3- | 3 | 1- | 1 | 1 | 1 | 2+ | 4+ | 4+ | View archive |
35 | 2018/09/21 | 7 | 0 | 1- | 0+ | 1- | 1- | 1+ | 1+ | 4+ | 4+ | View archive |
36 | 2018/06/23 | 18 | 2+ | 3+ | 2- | 4 | 4 | 3 | 3+ | 4- | 4 | View archive |
37 | 2018/09/13 | 17 | 4 | 4 | 3 | 3 | 3 | 3+ | 2- | 3 | 4 | View archive |
38 | 2018/07/24 | 17 | 4- | 3 | 3+ | 3- | 2 | 3 | 3+ | 4 | 4 | View archive |
39 | 2018/04/10 | 17 | 2 | 4 | 4 | 3- | 3+ | 3 | 2+ | 4- | 4 | View archive |
40 | 2018/06/18 | 16 | 4 | 3+ | 4- | 3+ | 3 | 2+ | 2+ | 2 | 4 | View archive |
41 | 2018/06/02 | 16 | 3- | 4 | 3- | 2 | 3- | 2+ | 4 | 4- | 4 | View archive |
42 | 2018/05/07 | 16 | 4- | 4 | 3 | 2- | 3 | 3+ | 2+ | 3+ | 4 | View archive |
43 | 2018/03/25 | 16 | 3+ | 4- | 3 | 3+ | 2 | 3- | 2+ | 4 | 4 | View archive |
44 | 2018/02/19 | 16 | 4 | 4 | 2+ | 2- | 3- | 2 | 4 | 3- | 4 | View archive |
45 | 2018/03/23 | 15 | 4 | 3 | 1+ | 3 | 2 | 2- | 4- | 4- | 4 | View archive |
46 | 2018/03/15 | 15 | 4 | 2+ | 2- | 3- | 2- | 3+ | 3+ | 4- | 4 | View archive |
47 | 2018/08/20 | 14 | 4- | 3+ | 2- | 2 | 3- | 3 | 4 | 2+ | 4 | View archive |
48 | 2018/05/09 | 14 | 3+ | 3- | 2+ | 2- | 2+ | 2+ | 4 | 4- | 4 | View archive |
49 | 2018/08/15 | 13 | 2 | 1 | 2- | 3- | 4 | 3 | 3 | 3+ | 4 | View archive |
50 | 2018/02/18 | 13 | 4 | 2 | 2+ | 2 | 3 | 4- | 2+ | 2+ | 4 | View archive |
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Last X-flare | 2023/08/07 | X1.51 |
Last M-flare | 2023/11/28 | M9.8 |
Last geomagnetic storm | 2023/11/25 | Kp6 (G2) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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October 2023 | 99.4 -34.2 |