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Geomagnetic activity in April 1950
Mean Ap18.3No. 197 of 1138
G1+ days12
G3+ days1
Max Ap535 Apr 1950
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Apr 1950 | 6- | 40 | G2 |
| 2 Apr 1950 | 5+ | 35 | G1 |
| 3 Apr 1950 | 5+ | 31 | G1 |
| 4 Apr 1950 | 5o | 31 | G1 |
| 5 Apr 1950 | 7- | 53 | G3 |
| 6 Apr 1950 | 5- | 30 | G1 |
| 12 Apr 1950 | 5o | 20 | G1 |
| 15 Apr 1950 | 5o | 19 | G1 |
| 19 Apr 1950 | 5- | 24 | G1 |
| 20 Apr 1950 | 6- | 24 | G2 |
| 24 Apr 1950 | 6- | 33 | G2 |
| 30 Apr 1950 | 5+ | 33 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 1949 | 14.3 | 8 | 2 |
| April 1950 | 18.3 | 12 | 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 18.3 in April 1950, No. 197 of 1138 months since 1932; 12 days reached G1 or higher.