Aurora & Space WeatherHome › Geomagnetic history › 1993
Geomagnetic activity in February 1993
Mean Ap15.6No. 318 of 1138
G1+ days11
G3+ days1
Max Ap408 Feb 1993
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Feb 1993 | 5o | 31 | G1 |
| 2 Feb 1993 | 5- | 21 | G1 |
| 7 Feb 1993 | 5+ | 27 | G1 |
| 8 Feb 1993 | 5+ | 40 | G1 |
| 9 Feb 1993 | 5- | 28 | G1 |
| 10 Feb 1993 | 5o | 17 | G1 |
| 11 Feb 1993 | 5- | 20 | G1 |
| 17 Feb 1993 | 7- | 36 | G3 |
| 20 Feb 1993 | 5o | 26 | G1 |
| 21 Feb 1993 | 5o | 27 | G1 |
| 22 Feb 1993 | 6o | 30 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| February 1992 | 31.4 | 18 | 8 |
| February 1993 | 15.6 | 11 | 1 |
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 15.6 in February 1993, No. 318 of 1138 months since 1932; 11 days reached G1 or higher.