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Geomagnetic activity in April 1994
Mean Ap28.7No. 28 of 1138
G1+ days16
G3+ days4
Max Ap10017 Apr 1994
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Apr 1994 | 7o | 53 | G3 |
| 3 Apr 1994 | 7+ | 92 | G3 |
| 4 Apr 1994 | 7o | 59 | G3 |
| 5 Apr 1994 | 6o | 41 | G2 |
| 6 Apr 1994 | 5+ | 48 | G1 |
| 7 Apr 1994 | 5+ | 41 | G1 |
| 8 Apr 1994 | 5+ | 40 | G1 |
| 9 Apr 1994 | 6o | 52 | G2 |
| 10 Apr 1994 | 5o | 39 | G1 |
| 11 Apr 1994 | 6- | 46 | G2 |
| 12 Apr 1994 | 5o | 30 | G1 |
| 13 Apr 1994 | 5+ | 31 | G1 |
| 14 Apr 1994 | 5+ | 26 | G1 |
| 16 Apr 1994 | 6o | 32 | G2 |
| 17 Apr 1994 | 8+ | 100 | G4 |
| 19 Apr 1994 | 5o | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1993 | 18.8 | 12 | 2 |
| April 1994 | 28.7 | 16 | 4 |
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 28.7 in April 1994, No. 28 of 1138 months since 1932; 16 days reached G1 or higher.