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Geomagnetic storm on 26 Aug 2018 (G3)

Max Kp7+G3

Ap67No. 1 in 2018

Consecutive G1+ days2

Ap rank468since 1932

Kp by 3-hour slot (UTC)

00–035o

03–067-

06–097+

09–125-

12–155-

15–186o

18–215o

21–243o

The days around it

Date	Max Kp	Ap	Level
23 Aug 2018	2-	4	–
24 Aug 2018	3-	4	–
25 Aug 2018	4+	12	–
26 Aug 2018	7+	67	G3
27 Aug 2018	6-	25	G2
28 Aug 2018	4-	8	–
29 Aug 2018	2+	5	–

Highest-Ap days of 2018

26 Aug 201867

20 Apr 201843

11 Sep 201835

5 Nov 201832

22 Sep 201827

6 May 201826

27 Aug 201825

7 Oct 201824

5 May 201823

1 Jun 201823

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.

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Max Kp 7+, Ap 67: No. 468 of 34,615 days since 1932 by Ap.