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Geomagnetic activity in June 1942
Mean Ap8.0No. 942 of 1138
G1+ days2
G3+ days0
Max Ap2111 Jun 1942
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 11 Jun 1942 | 5- | 21 | G1 |
| 19 Jun 1942 | 5- | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 1941 | 10.9 | 6 | 0 |
| June 1942 | 8.0 | 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 8.0 in June 1942, No. 942 of 1138 months since 1932; 2 days reached G1 or higher.