Aurora & Space WeatherHome › Geomagnetic history › 1972
Geomagnetic activity in March 1972
Mean Ap12.3No. 562 of 1138
G1+ days9
G3+ days1
Max Ap457 Mar 1972
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Mar 1972 | 7+ | 26 | G3 |
| 7 Mar 1972 | 6+ | 45 | G2 |
| 8 Mar 1972 | 5- | 12 | G1 |
| 16 Mar 1972 | 5o | 20 | G1 |
| 24 Mar 1972 | 5- | 20 | G1 |
| 27 Mar 1972 | 5- | 19 | G1 |
| 28 Mar 1972 | 5- | 11 | G1 |
| 29 Mar 1972 | 5- | 22 | G1 |
| 30 Mar 1972 | 5+ | 27 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1971 | 11.4 | 6 | 0 |
| March 1972 | 12.3 | 9 | 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 12.3 in March 1972, No. 562 of 1138 months since 1932; 9 days reached G1 or higher.