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Geomagnetic activity in June 1958
Mean Ap24.1No. 72 of 1138
G1+ days12
G3+ days4
Max Ap10329 Jun 1958
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jun 1958 | 8- | 60 | G4 |
| 2 Jun 1958 | 5- | 26 | G1 |
| 6 Jun 1958 | 5+ | 15 | G1 |
| 7 Jun 1958 | 8- | 77 | G4 |
| 9 Jun 1958 | 6o | 32 | G2 |
| 10 Jun 1958 | 5+ | 31 | G1 |
| 14 Jun 1958 | 5o | 15 | G1 |
| 15 Jun 1958 | 5+ | 21 | G1 |
| 21 Jun 1958 | 6+ | 66 | G2 |
| 22 Jun 1958 | 6o | 38 | G2 |
| 28 Jun 1958 | 8- | 55 | G4 |
| 29 Jun 1958 | 8o | 103 | G4 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1957 | 22.1 | 11 | 2 |
| June 1958 | 24.1 | 12 | 4 |
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 24.1 in June 1958, No. 72 of 1138 months since 1932; 12 days reached G1 or higher.