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Geomagnetic activity in June 1957
Mean Ap22.1No. 105 of 1138
G1+ days11
G3+ days2
Max Ap15030 Jun 1957
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Jun 1957 | 6- | 33 | G2 |
| 4 Jun 1957 | 6- | 38 | G2 |
| 5 Jun 1957 | 6- | 29 | G2 |
| 6 Jun 1957 | 5o | 33 | G1 |
| 15 Jun 1957 | 5o | 19 | G1 |
| 18 Jun 1957 | 5- | 23 | G1 |
| 19 Jun 1957 | 5+ | 26 | G1 |
| 22 Jun 1957 | 5- | 16 | G1 |
| 25 Jun 1957 | 6- | 41 | G2 |
| 26 Jun 1957 | 7o | 84 | G3 |
| 30 Jun 1957 | 8+ | 150 | G4 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1956 | 16.7 | 10 | 1 |
| June 1957 | 22.1 | 11 | 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 22.1 in June 1957, No. 105 of 1138 months since 1932; 11 days reached G1 or higher.