Geomagnetic activity in 1979
Mean Ap14.5
G1+88days
G3+14days
G50days
G1+ days by month
- January 1979
- February 1979
- March 1979
- April 1979
- May 1979
- June 1979
- July 1979
- August 1979
- September 1979
- October 1979
- November 1979
- December 1979
Nearby years (G1+ days)
147
91
72
66
111
88
58
97
159
140
139
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 25 Apr 1979 | 8o | 126 | G4 |
| 29 Aug 1979 | 8- | 77 | G4 |
| 13 Aug 1979 | 7+ | 76 | G3 |
| 29 Mar 1979 | 7- | 68 | G3 |
| 18 Sep 1979 | 7o | 64 | G3 |
| 21 Feb 1979 | 7- | 59 | G3 |
| 10 Mar 1979 | 7o | 54 | G3 |
| 3 Apr 1979 | 8o | 54 | G4 |
| 5 Apr 1979 | 7- | 52 | G3 |
| 4 Apr 1979 | 7- | 47 | G3 |
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
1979 had 88 G1+ storm days (No. 38 of 95 years) and 14 G3+ days.