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Geomagnetic activity in August 1941
Mean Ap16.3No. 276 of 1138
G1+ days10
G3+ days1
Max Ap1104 Aug 1941
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Aug 1941 | 5+ | 37 | G1 |
| 4 Aug 1941 | 8+ | 110 | G4 |
| 5 Aug 1941 | 6o | 24 | G2 |
| 6 Aug 1941 | 6- | 23 | G2 |
| 7 Aug 1941 | 5- | 16 | G1 |
| 26 Aug 1941 | 5- | 21 | G1 |
| 27 Aug 1941 | 6o | 59 | G2 |
| 28 Aug 1941 | 5o | 24 | G1 |
| 29 Aug 1941 | 5+ | 32 | G1 |
| 30 Aug 1941 | 5+ | 25 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1940 | 10.8 | 4 | 0 |
| August 1941 | 16.3 | 10 | 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 16.3 in August 1941, No. 276 of 1138 months since 1932; 10 days reached G1 or higher.