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Geomagnetic activity in April 1976
Mean Ap17.4No. 232 of 1138
G1+ days9
G3+ days1
Max Ap1181 Apr 1976
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1976 | 8+ | 118 | G4 |
| 2 Apr 1976 | 5- | 16 | G1 |
| 3 Apr 1976 | 6+ | 44 | G2 |
| 4 Apr 1976 | 5+ | 31 | G1 |
| 5 Apr 1976 | 5- | 27 | G1 |
| 6 Apr 1976 | 5- | 30 | G1 |
| 7 Apr 1976 | 5o | 28 | G1 |
| 8 Apr 1976 | 5- | 15 | G1 |
| 22 Apr 1976 | 5- | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1975 | 15.7 | 12 | 0 |
| April 1976 | 17.4 | 9 | 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 17.4 in April 1976, No. 232 of 1138 months since 1932; 9 days reached G1 or higher.