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Geomagnetic activity in June 1948
Mean Ap9.9No. 766 of 1138
G1+ days3
G3+ days0
Max Ap341 Jun 1948
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jun 1948 | 5+ | 34 | G1 |
| 21 Jun 1948 | 5- | 24 | G1 |
| 26 Jun 1948 | 5o | 22 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1947 | 16.0 | 9 | 1 |
| June 1948 | 9.9 | 3 | 0 |
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 June 1948, No. 766 of 1138 months since 1932; 3 days reached G1 or higher.