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G1 geomagnetic storm days since 1932

Days4,452
Per year46.9
Latest5 Oct 2026

Days per decade

decade1930s: 3481930s1940s: 5321940s1950s: 6071950s1960s: 4321960s1970s: 5541970s1980s: 5901980s1990s: 5441990s2000s: 3652000s2010s: 2552010s2020s: 2252020s

Latest 50 days

DateMax KpAp
5 Oct 20265o23
8 Sep 20265o28
7 Sep 20265-18
19 Aug 20265-17
18 Aug 20265+24
23 Jul 20265o21
30 Jun 20265-18
25 Jun 20265o24
11 Jun 20265-16
6 Jun 20265-21
5 May 20265-11
30 Apr 20265-14
21 Apr 20265-20
20 Apr 20265o23
19 Apr 20265+21
18 Apr 20265+33
25 Mar 20265o15
23 Mar 20265o31
3 Mar 20265o14
23 Feb 20265-21
22 Feb 20265+34
15 Feb 20265+26
14 Feb 20265-10
5 Feb 20265+21
28 Jan 20265o23
22 Jan 20265+17
17 Jan 20265o24
16 Jan 20265o25
11 Jan 20265+28
2 Jan 20265o23
22 Dec 20255-23
21 Dec 20255-25
17 Dec 20255-17
13 Dec 20255-14
12 Dec 20255o27
4 Dec 20255o32
25 Nov 20255-29
24 Nov 20255-20
7 Nov 20255+31
31 Oct 20255-23
30 Oct 20255+37
19 Oct 20255o18
13 Oct 20255-21
12 Oct 20255o32
3 Oct 20255o28
29 Sep 20255+28
14 Sep 20255-11
9 Sep 20255+17
6 Sep 20255o24
2 Sep 20255+31
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page

4,452 days since 1932 peaked at G1; the latest was 5 Oct 2026.