Aurora & Space WeatherGeomagnetic activity in 1942
Mean Ap13.8
G1+92days
G3+10days
G50days
G1+ days by month
- January 1942
- February 1942
- March 1942
- April 1942
- May 1942
- June 1942
- July 1942
- August 1942
- September 1942
- October 1942
- November 1942
- December 1942
Nearby years (G1+ days)
71
95
103
88
100
92
128
64
59
102
111
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Mar 1942 | 8o | 111 | G4 |
| 29 Oct 1942 | 7+ | 80 | G3 |
| 4 Apr 1942 | 7+ | 70 | G3 |
| 24 Nov 1942 | 7- | 62 | G3 |
| 28 Oct 1942 | 7o | 56 | G3 |
| 12 Sep 1942 | 7- | 54 | G3 |
| 5 Mar 1942 | 7o | 52 | G3 |
| 2 Oct 1942 | 7- | 48 | G3 |
| 11 Jul 1942 | 6o | 47 | G2 |
| 17 Apr 1942 | 6+ | 46 | 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
1942 had 92 G1+ storm days (No. 34 of 95 years) and 10 G3+ days.