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Geomagnetic storm on 10 Oct 1988 (G4)
Max Kp8-G4
Ap85No. 3 in 1988
Consecutive G1+ days1
Ap rank258since 1932
Kp by 3-hour slot (UTC)
4o
4+
6+
8-
7+
6-
6o
5o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Oct 1988 | 2+ | 6 | – |
| 8 Oct 1988 | 3- | 7 | – |
| 9 Oct 1988 | 4o | 17 | – |
| 10 Oct 1988 | 8- | 85 | G4 |
| 11 Oct 1988 | 4+ | 13 | – |
| 12 Oct 1988 | 2+ | 6 | – |
| 13 Oct 1988 | 3- | 6 | – |
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 8-, Ap 85: No. 258 of 34,615 days since 1932 by Ap.