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Geomagnetic activity in May 1992
Mean Ap20.5No. 136 of 1138
G1+ days10
G3+ days3
Max Ap17910 May 1992
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 May 1992 | 5o | 15 | G1 |
| 8 May 1992 | 5o | 29 | G1 |
| 9 May 1992 | 7- | 39 | G3 |
| 10 May 1992 | 9- | 179 | G5 |
| 11 May 1992 | 7+ | 70 | G3 |
| 13 May 1992 | 5o | 21 | G1 |
| 18 May 1992 | 5+ | 16 | G1 |
| 22 May 1992 | 6+ | 50 | G2 |
| 23 May 1992 | 5o | 14 | G1 |
| 29 May 1992 | 5- | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1991 | 17.7 | 13 | 1 |
| May 1992 | 20.5 | 10 | 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 20.5 in May 1992, No. 136 of 1138 months since 1932; 10 days reached G1 or higher.