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Geomagnetic activity in February 2001
Mean Ap6.9No. 1010 of 1138
G1+ days1
G3+ days0
Max Ap2513 Feb 2001
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 13 Feb 2001 | 5- | 25 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 2000 | 15.4 | 6 | 1 |
| February 2001 | 6.9 | 1 | 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 6.9 in February 2001, No. 1010 of 1138 months since 1932; 1 days reached G1 or higher.