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Geomagnetic storm on 22 Jun 2015 (G4)
Max Kp8+G4
Ap57No. 7 in 2015
Consecutive G1+ days2
Ap rank691since 1932
Kp by 3-hour slot (UTC)
1o
3+
4+
3o
5-
5+
8+
5+
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 19 Jun 2015 | 2+ | 3 | – |
| 20 Jun 2015 | 0+ | 1 | – |
| 21 Jun 2015 | 4- | 7 | – |
| 22 Jun 2015 | 8+ | 57 | G4 |
| 23 Jun 2015 | 8- | 72 | G4 |
| 24 Jun 2015 | 4o | 16 | – |
| 25 Jun 2015 | 6- | 32 | G2 |
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 8+, Ap 57: No. 691 of 34,615 days since 1932 by Ap.