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Geomagnetic storm on 30 Aug 2004 (G3)
Max Kp7oG3
Ap42No. 12 in 2004
Consecutive G1+ days2
Ap rank1,471since 1932
Kp by 3-hour slot (UTC)
2+
2o
3+
4o
4o
6-
5o
7o
The days around it
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 27 Aug 2004 | 3- | 6 | – |
| 28 Aug 2004 | 3+ | 7 | – |
| 29 Aug 2004 | 2- | 5 | – |
| 30 Aug 2004 | 7o | 42 | G3 |
| 31 Aug 2004 | 5+ | 28 | G1 |
| 1 Sep 2004 | 2+ | 7 | – |
| 2 Sep 2004 | 2+ | 6 | – |
Highest-Ap days of 2004
186
161
154
140
119
64
52
50
47
45
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 42: No. 1,471 of 34,615 days since 1932 by Ap.