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Geomagnetic activity in May 1969
Mean Ap17.1No. 242 of 1138
G1+ days6
G3+ days2
Max Ap13115 May 1969
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 May 1969 | 6+ | 28 | G2 |
| 13 May 1969 | 5+ | 39 | G1 |
| 14 May 1969 | 7- | 50 | G3 |
| 15 May 1969 | 8- | 131 | G4 |
| 16 May 1969 | 6+ | 43 | G2 |
| 18 May 1969 | 5o | 20 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 1968 | 13.3 | 7 | 1 |
| May 1969 | 17.1 | 6 | 2 |
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 17.1 in May 1969, No. 242 of 1138 months since 1932; 6 days reached G1 or higher.