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Geomagnetic activity in June 1955
Mean Ap9.5No. 803 of 1138
G1+ days2
G3+ days0
Max Ap238 Jun 1955
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Jun 1955 | 5o | 23 | G1 |
| 23 Jun 1955 | 5- | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1954 | 5.8 | 0 | 0 |
| June 1955 | 9.5 | 2 | 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 9.5 in June 1955, No. 803 of 1138 months since 1932; 2 days reached G1 or higher.