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Geomagnetic activity in May 1933
Mean Ap11.8No. 601 of 1138
G1+ days6
G3+ days1
Max Ap821 May 1933
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 May 1933 | 8- | 82 | G4 |
| 2 May 1933 | 6+ | 20 | G2 |
| 4 May 1933 | 5o | 16 | G1 |
| 6 May 1933 | 5- | 20 | G1 |
| 18 May 1933 | 5- | 19 | G1 |
| 31 May 1933 | 5o | 22 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1932 | 14.6 | 7 | 2 |
| May 1933 | 11.8 | 6 | 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 11.8 in May 1933, No. 601 of 1138 months since 1932; 6 days reached G1 or higher.