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Geomagnetic activity in October 2003
Mean Ap34.7No. 9 of 1138
G1+ days16
G3+ days5
Max Ap20429 Oct 2003
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Oct 2003 | 5- | 17 | G1 |
| 13 Oct 2003 | 5- | 16 | G1 |
| 14 Oct 2003 | 7+ | 66 | G3 |
| 15 Oct 2003 | 6o | 44 | G2 |
| 16 Oct 2003 | 5o | 29 | G1 |
| 17 Oct 2003 | 6- | 32 | G2 |
| 18 Oct 2003 | 5- | 25 | G1 |
| 19 Oct 2003 | 5+ | 37 | G1 |
| 20 Oct 2003 | 6- | 36 | G2 |
| 21 Oct 2003 | 6o | 49 | G2 |
| 22 Oct 2003 | 5+ | 34 | G1 |
| 24 Oct 2003 | 7- | 38 | G3 |
| 28 Oct 2003 | 5- | 25 | G1 |
| 29 Oct 2003 | 9o | 204 | G5 |
| 30 Oct 2003 | 9o | 191 | G5 |
| 31 Oct 2003 | 8+ | 116 | G4 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 2002 | 24.8 | 15 | 3 |
| October 2003 | 34.7 | 16 | 5 |
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.
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About this page
Mean Ap 34.7 in October 2003, No. 9 of 1138 months since 1932; 16 days reached G1 or higher.