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Geomagnetic activity in February 2002
Mean Ap10.2No. 727 of 1138
G1+ days4
G3+ days0
Max Ap2528 Feb 2002
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Feb 2002 | 5- | 19 | G1 |
| 5 Feb 2002 | 5o | 23 | G1 |
| 6 Feb 2002 | 5- | 22 | G1 |
| 28 Feb 2002 | 6o | 25 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2001 | 6.9 | 1 | 0 |
| February 2002 | 10.2 | 4 | 0 |
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 10.2 in February 2002, No. 727 of 1138 months since 1932; 4 days reached G1 or higher.