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Geomagnetic storm on 28 Aug 1989 (G3)
Max Kp7-G3
Ap22No. 104 in 1989
Consecutive G1+ days3
Ap rank5,354since 1932
Kp by 3-hour slot (UTC)
3-
1o
1-
2o
2o
2+
4o
7-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 25 Aug 1989 | 2+ | 5 | – |
| 26 Aug 1989 | 3- | 6 | – |
| 27 Aug 1989 | 6- | 26 | G2 |
| 28 Aug 1989 | 7- | 22 | G3 |
| 29 Aug 1989 | 7+ | 58 | G3 |
| 30 Aug 1989 | 4+ | 17 | – |
| 31 Aug 1989 | 3- | 6 | – |
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 7-, Ap 22: No. 5,354 of 34,615 days since 1932 by Ap.