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Geomagnetic activity in April 1945
Mean Ap13.1No. 494 of 1138
G1+ days8
G3+ days1
Max Ap541 Apr 1945
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1945 | 7o | 54 | G3 |
| 2 Apr 1945 | 5o | 16 | G1 |
| 5 Apr 1945 | 6o | 19 | G2 |
| 6 Apr 1945 | 5- | 22 | G1 |
| 7 Apr 1945 | 5- | 19 | G1 |
| 11 Apr 1945 | 6+ | 33 | G2 |
| 12 Apr 1945 | 5o | 29 | G1 |
| 14 Apr 1945 | 5o | 23 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1944 | 15.1 | 10 | 1 |
| April 1945 | 13.1 | 8 | 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 13.1 in April 1945, No. 494 of 1138 months since 1932; 8 days reached G1 or higher.