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Geomagnetic activity in August 1942
Mean Ap12.7No. 526 of 1138
G1+ days6
G3+ days1
Max Ap4223 Aug 1942
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 10 Aug 1942 | 5+ | 24 | G1 |
| 16 Aug 1942 | 7- | 35 | G3 |
| 19 Aug 1942 | 5- | 26 | G1 |
| 23 Aug 1942 | 6o | 42 | G2 |
| 24 Aug 1942 | 5- | 19 | G1 |
| 25 Aug 1942 | 5o | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1941 | 16.3 | 10 | 1 |
| August 1942 | 12.7 | 6 | 1 |
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 12.7 in August 1942, No. 526 of 1138 months since 1932; 6 days reached G1 or higher.