Home › Geomagnetic history › 2005

Geomagnetic storm on 12 Sep 2005 (G3)

Max Kp7oG3

Ap75No. 7 in 2005

Consecutive G1+ days4

Ap rank357since 1932

Kp by 3-hour slot (UTC)

00–035-

03–064+

06–097o

09–126-

12–155-

15–186o

18–216o

21–247o

The days around it

Date	Max Kp	Ap	Level
9 Sep 2005	4+	17	–
10 Sep 2005	6-	33	G2
11 Sep 2005	8-	101	G4
12 Sep 2005	7o	75	G3
13 Sep 2005	6o	44	G2
14 Sep 2005	4o	18	–
15 Sep 2005	7o	52	G3

Highest-Ap days of 2005

24 Aug 2005102

11 Sep 2005101

8 May 200591

30 May 200590

15 May 200587

18 Jan 200584

12 Sep 200575

21 Jan 200566

19 Jan 200560

17 Jan 200558

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.

← 11 Sep 2005 15 Sep 2005 →

About this page

Max Kp 7o, Ap 75: No. 357 of 34,615 days since 1932 by Ap.