Geomagnetic activity in 1941
Mean Ap16.8
G1+100days
G3+14days
G54days
G1+ days by month
- January 1941
- February 1941
- March 1941
- April 1941
- May 1941
- June 1941
- July 1941
- August 1941
- September 1941
- October 1941
- November 1941
- December 1941
Nearby years (G1+ days)
50
71
95
103
88
100
92
128
64
59
102
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Sep 1941 | 9- | 232 | G5 |
| 5 Jul 1941 | 9o | 222 | G5 |
| 1 Mar 1941 | 9o | 207 | G5 |
| 19 Sep 1941 | 9o | 176 | G5 |
| 4 Aug 1941 | 8+ | 110 | G4 |
| 30 Mar 1941 | 8- | 85 | G4 |
| 1 Dec 1941 | 8- | 83 | G4 |
| 14 Mar 1941 | 7o | 79 | G3 |
| 1 Nov 1941 | 8- | 79 | G4 |
| 31 Mar 1941 | 8- | 76 | G4 |
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
1941 had 100 G1+ storm days (No. 27 of 95 years) and 14 G3+ days.