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Geomagnetic activity in March 1942
Mean Ap22.4No. 101 of 1138
G1+ days14
G3+ days3
Max Ap1111 Mar 1942
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Mar 1942 | 8o | 111 | G4 |
| 2 Mar 1942 | 7+ | 45 | G3 |
| 3 Mar 1942 | 6o | 42 | G2 |
| 5 Mar 1942 | 7o | 52 | G3 |
| 6 Mar 1942 | 5+ | 24 | G1 |
| 8 Mar 1942 | 6+ | 39 | G2 |
| 9 Mar 1942 | 6+ | 41 | G2 |
| 11 Mar 1942 | 5- | 11 | G1 |
| 13 Mar 1942 | 5+ | 29 | G1 |
| 14 Mar 1942 | 5+ | 27 | G1 |
| 20 Mar 1942 | 5+ | 17 | G1 |
| 21 Mar 1942 | 5- | 24 | G1 |
| 26 Mar 1942 | 5+ | 25 | G1 |
| 29 Mar 1942 | 5- | 15 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1941 | 32.8 | 17 | 4 |
| March 1942 | 22.4 | 14 | 3 |
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 22.4 in March 1942, No. 101 of 1138 months since 1932; 14 days reached G1 or higher.