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Geomagnetic storm on 26 Sep 1989 (G3)
Max Kp7oG3
Ap54No. 15 in 1989
Consecutive G1+ days1
Ap rank773since 1932
Kp by 3-hour slot (UTC)
0+
2-
4+
5-
5+
6+
7o
6-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 23 Sep 1989 | 2- | 4 | – |
| 24 Sep 1989 | 3- | 7 | – |
| 25 Sep 1989 | 2- | 5 | – |
| 26 Sep 1989 | 7o | 54 | G3 |
| 27 Sep 1989 | 4o | 8 | – |
| 28 Sep 1989 | 3- | 8 | – |
| 29 Sep 1989 | 3+ | 8 | – |
Highest-Ap days of 1989
246
158
146
112
109
78
77
76
71
70
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 54: No. 773 of 34,615 days since 1932 by Ap.