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Geomagnetic storm on 7 Oct 2015 (G3)
Max Kp7+G3
Ap74No. 2 in 2015
Consecutive G1+ days3
Ap rank372since 1932
Kp by 3-hour slot (UTC)
4-
6o
6-
5o
5o
6+
7+
6o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Oct 2015 | 4+ | 17 | – |
| 5 Oct 2015 | 5o | 18 | G1 |
| 6 Oct 2015 | 4+ | 18 | – |
| 7 Oct 2015 | 7+ | 74 | G3 |
| 8 Oct 2015 | 6- | 45 | G2 |
| 9 Oct 2015 | 5- | 27 | G1 |
| 10 Oct 2015 | 3+ | 11 | – |
Highest-Ap days of 2015
108
74
72
70
60
59
57
52
47
46
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
Max Kp 7+, Ap 74: No. 372 of 34,615 days since 1932 by Ap.