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Monthly overview (Aug 2025)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-58.3′°, H: 30130nT, Z: 35997nT and F: 46942nT for August 2025.

Monthly average of the K-index daily sum is 15. indicates a moderate level of geomagnetic activity during the month.

Notable geomagnetic events include 1 magnetic storms, 0 si, 7 bay, 3 sfe, 7 pi and 1 pc.

The international 5 quietest days are the 7,16,17,23,24^th.

The international 5 most disturbed days are the 8,9,10,11,19^th.

Date	K-index daily sum	Geomagnetic activity	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	19	moderately disturbed			plot
2	12	moderately calm			plot
3	17	moderately disturbed			plot
4	14	moderately calm			plot
5	14	moderately calm			plot
6	10	calm			plot
7	6	calm	○		plot
8	21	moderately disturbed		○	plot
9	29	disturbed		○	plot
10	25	disturbed		○	plot
11	21	moderately disturbed		○	plot
12	18	moderately disturbed			plot
13	23	disturbed			plot
14	17	moderately disturbed			plot
15	12	moderately calm			plot
16	10	calm	○		plot
17	7	calm	○		plot
18	14	moderately calm			plot
19	27	disturbed		○	plot
20	17	moderately disturbed			plot
21	14	moderately calm			plot
22	13	moderately calm			plot
23	6	calm	○		plot
24	8	calm	○		plot
25	12	moderately calm			plot
26	14	moderately calm			plot
27	12	moderately calm			plot
28	14	moderately calm			plot
29	12	moderately calm			plot
30	16	moderately calm			plot
31	12	moderately calm			plot

*) Plot diagram opens in a separate window.