Aurora & Space WeatherHome › Geomagnetic history › 1933
Geomagnetic activity in March 1933
Mean Ap12.4No. 555 of 1138
G1+ days7
G3+ days0
Max Ap3720 Mar 1933
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Mar 1933 | 6+ | 32 | G2 |
| 19 Mar 1933 | 6- | 31 | G2 |
| 20 Mar 1933 | 6o | 37 | G2 |
| 21 Mar 1933 | 5- | 24 | G1 |
| 22 Mar 1933 | 5+ | 27 | G1 |
| 23 Mar 1933 | 5o | 30 | G1 |
| 24 Mar 1933 | 5+ | 31 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1932 | 18.3 | 14 | 1 |
| March 1933 | 12.4 | 7 | 0 |
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 12.4 in March 1933, No. 555 of 1138 months since 1932; 7 days reached G1 or higher.