Aurora & Space WeatherGeomagnetic activity in 1945
Mean Ap10.4
G1+59days
G3+5days
G50days
G1+ days by month
- January 1945
- February 1945
- March 1945
- April 1945
- May 1945
- June 1945
- July 1945
- August 1945
- September 1945
- October 1945
- November 1945
- December 1945
Nearby years (G1+ days)
88
100
92
128
64
59
102
111
94
92
123
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 14 Dec 1945 | 7- | 70 | G3 |
| 15 Mar 1945 | 7- | 57 | G3 |
| 1 Apr 1945 | 7o | 54 | G3 |
| 26 Mar 1945 | 6o | 53 | G2 |
| 28 Mar 1945 | 7+ | 53 | G3 |
| 24 Oct 1945 | 6o | 52 | G2 |
| 29 Jan 1945 | 7o | 50 | G3 |
| 12 Mar 1945 | 6+ | 50 | G2 |
| 9 Nov 1945 | 6+ | 44 | G2 |
| 18 Sep 1945 | 6+ | 43 | G2 |
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
1945 had 59 G1+ storm days (No. 63 of 95 years) and 5 G3+ days.