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Geomagnetic activity in May 1972
Mean Ap9.9No. 760 of 1138
G1+ days3
G3+ days1
Max Ap3815 May 1972
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 May 1972 | 8- | 38 | G4 |
| 16 May 1972 | 6o | 18 | G2 |
| 28 May 1972 | 5+ | 22 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1971 | 13.5 | 6 | 1 |
| May 1972 | 9.9 | 3 | 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 9.9 in May 1972, No. 760 of 1138 months since 1932; 3 days reached G1 or higher.