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Geomagnetic activity in January 1941
Mean Ap14.1No. 426 of 1138
G1+ days6
G3+ days0
Max Ap4217 Jan 1941
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Jan 1941 | 5o | 20 | G1 |
| 17 Jan 1941 | 6- | 42 | G2 |
| 18 Jan 1941 | 5+ | 32 | G1 |
| 24 Jan 1941 | 6- | 34 | G2 |
| 25 Jan 1941 | 5- | 26 | G1 |
| 26 Jan 1941 | 5o | 23 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1940 | 14.9 | 11 | 2 |
| January 1941 | 14.1 | 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.
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About this page
Mean Ap 14.1 in January 1941, No. 426 of 1138 months since 1932; 6 days reached G1 or higher.