Aurora & Space WeatherHome › Geomagnetic history › 2002
Geomagnetic activity in October 2002
Mean Ap24.8No. 63 of 1138
G1+ days15
G3+ days3
Max Ap671 Oct 2002
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Oct 2002 | 7+ | 67 | G3 |
| 2 Oct 2002 | 7+ | 53 | G3 |
| 3 Oct 2002 | 6+ | 45 | G2 |
| 4 Oct 2002 | 7+ | 64 | G3 |
| 5 Oct 2002 | 5+ | 28 | G1 |
| 7 Oct 2002 | 6- | 48 | G2 |
| 8 Oct 2002 | 6o | 33 | G2 |
| 14 Oct 2002 | 5- | 23 | G1 |
| 16 Oct 2002 | 6- | 18 | G2 |
| 24 Oct 2002 | 6+ | 63 | G2 |
| 25 Oct 2002 | 6o | 39 | G2 |
| 26 Oct 2002 | 5- | 27 | G1 |
| 27 Oct 2002 | 5o | 25 | G1 |
| 28 Oct 2002 | 5- | 19 | G1 |
| 30 Oct 2002 | 5o | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| October 2001 | 20.5 | 10 | 5 |
| October 2002 | 24.8 | 15 | 3 |
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.
← September 2002November 2002 →
About this page
Mean Ap 24.8 in October 2002, No. 63 of 1138 months since 1932; 15 days reached G1 or higher.