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Geomagnetic storm on 11 Sep 2015 (G3)
Max Kp7oG3
Ap60No. 5 in 2015
Consecutive G1+ days1
Ap rank614since 1932
Kp by 3-hour slot (UTC)
3o
4o
7o
6+
6-
7-
3o
4-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Sep 2015 | 6o | 24 | G2 |
| 9 Sep 2015 | 6o | 59 | G2 |
| 10 Sep 2015 | 4+ | 12 | – |
| 11 Sep 2015 | 7o | 60 | G3 |
| 12 Sep 2015 | 4+ | 16 | – |
| 13 Sep 2015 | 4- | 11 | – |
| 14 Sep 2015 | 5- | 14 | G1 |
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 7o, Ap 60: No. 614 of 34,615 days since 1932 by Ap.