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Geomagnetic activity in July 1942
Mean Ap12.6No. 537 of 1138
G1+ days6
G3+ days0
Max Ap4711 Jul 1942
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Jul 1942 | 5+ | 32 | G1 |
| 11 Jul 1942 | 6o | 47 | G2 |
| 12 Jul 1942 | 5- | 17 | G1 |
| 15 Jul 1942 | 5+ | 28 | G1 |
| 21 Jul 1942 | 5- | 14 | G1 |
| 26 Jul 1942 | 5- | 10 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1941 | 19.3 | 6 | 2 |
| July 1942 | 12.6 | 6 | 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 12.6 in July 1942, No. 537 of 1138 months since 1932; 6 days reached G1 or higher.