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Geomagnetic activity in November 2004
Mean Ap24.7No. 64 of 1138
G1+ days6
G3+ days4
Max Ap16110 Nov 2004
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Nov 2004 | 8o | 50 | G4 |
| 8 Nov 2004 | 9- | 140 | G5 |
| 9 Nov 2004 | 9- | 119 | G5 |
| 10 Nov 2004 | 9- | 161 | G5 |
| 11 Nov 2004 | 5o | 24 | G1 |
| 12 Nov 2004 | 5- | 30 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| November 2003 | 27.9 | 17 | 3 |
| November 2004 | 24.7 | 6 | 4 |
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
Mean Ap 24.7 in November 2004, No. 64 of 1138 months since 1932; 6 days reached G1 or higher.