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Geomagnetic storm on 30 May 2005 (G4)
Max Kp8-G4
Ap90No. 4 in 2005
Consecutive G1+ days2
Ap rank222since 1932
Kp by 3-hour slot (UTC)
4o
3+
6+
6+
7+
8-
7-
5-
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 27 May 2005 | 1o | 2 | – |
| 28 May 2005 | 4o | 12 | – |
| 29 May 2005 | 6- | 20 | G2 |
| 30 May 2005 | 8- | 90 | G4 |
| 31 May 2005 | 4- | 14 | – |
| 1 Jun 2005 | 3o | 6 | – |
| 2 Jun 2005 | 3- | 6 | – |
Highest-Ap days of 2005
102
101
91
90
87
84
75
66
60
58
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 90: No. 222 of 34,615 days since 1932 by Ap.