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Geomagnetic activity in March 1971
Mean Ap11.4No. 633 of 1138
G1+ days6
G3+ days0
Max Ap3913 Mar 1971
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 12 Mar 1971 | 6o | 20 | G2 |
| 13 Mar 1971 | 6- | 39 | G2 |
| 14 Mar 1971 | 5o | 29 | G1 |
| 15 Mar 1971 | 5o | 22 | G1 |
| 19 Mar 1971 | 5- | 16 | G1 |
| 31 Mar 1971 | 5- | 26 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1970 | 17.5 | 8 | 1 |
| March 1971 | 11.4 | 6 | 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 11.4 in March 1971, No. 633 of 1138 months since 1932; 6 days reached G1 or higher.