Home > Observation data > Monthly overview > Monthly overview (Jul 2025)

Monthly overview (Jul 2025)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-58.3′°, H: 30128nT, Z: 35996nT and F: 46941nT for July 2025.

Monthly average of the K-index daily sum is 17.6. indicates a high level of geomagnetic activity during the month.

Notable geomagnetic events include 0 magnetic storms, 1 si, 5 bay, 1 sfe, 9 pi and 0 pc.

The international 5 quietest days are the 10,20,21,27,28^th.

The international 5 most disturbed days are the 6,7,13,15,23^th.

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

*) Plot diagram opens in a separate window.