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Geomagnetic storm on 4 Apr 1988 (G3)
Max Kp7+G3
Ap78No. 4 in 1988
Consecutive G1+ days4
Ap rank327since 1932
Kp by 3-hour slot (UTC)
5-
5+
6-
6+
6+
6+
7+
4-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1988 | 3+ | 13 | – |
| 2 Apr 1988 | 4+ | 19 | – |
| 3 Apr 1988 | 8o | 48 | G4 |
| 4 Apr 1988 | 7+ | 78 | G3 |
| 5 Apr 1988 | 6- | 24 | G2 |
| 6 Apr 1988 | 6+ | 48 | G2 |
| 7 Apr 1988 | 4- | 15 | – |
Highest-Ap days of 1988
106
97
85
78
63
51
49
48
48
48
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 78: No. 327 of 34,615 days since 1932 by Ap.