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Monthly overview (Apr 2026)

The monthly mean values of the geomagnetic field components at Kakioka are D: -7°-59.6′°, H: 30128nT, Z: 36019nT and F: 46958nT for April 2026.

Monthly average of the K-index daily sum is 15.6. indicates a slightly high level of geomagnetic activity during the month.

Notable geomagnetic events include 3 magnetic storms, 2 si, 4 bay, 2 sfe, 4 pi and 2 pc.

The international 5 quietest days are the 13,14,16,28,29^th.

The international 5 most disturbed days are the 2,3,18,19,20^th.

Date	K-index daily sum	Geomagnetic activity	Geomagnetic phenomena	International 5 quietest days	International 5 quietest days	geomagnetic 1-minute value plot
1	17	moderately disturbed	storm si			plot
2	31	disturbed	pi pc		○	plot
3	33	disturbed	storm si pc		○	plot
4	16	moderately calm				plot
5	17	moderately disturbed				plot
6	15	moderately calm	pi			plot
7	11	moderately calm				plot
8	14	moderately calm				plot
9	15	moderately calm	bay			plot
10	19	moderately disturbed	bay			plot
11	20	moderately disturbed				plot
12	15	moderately calm				plot
13	7	calm		○		plot
14	3	extremely calm		○		plot
15	7	calm				plot
16	4	calm		○		plot
17	6	calm				plot
18	29	disturbed	storm pi		○	plot
19	24	disturbed	bay		○	plot
20	26	disturbed			○	plot
21	19	moderately disturbed				plot
22	10	calm				plot
23	14	moderately calm				plot
24	14	moderately calm	sfe			plot
25	15	moderately calm				plot
26	24	disturbed				plot
27	13	moderately calm				plot
28	4	calm		○		plot
29	9	calm		○		plot
30	18	moderately disturbed				plot

*) Plot diagram opens in a separate window.