Geomagnetic activity in 1997
Mean Ap8.4
G1+43days
G3+6days
G50days
G1+ days by month
- January 1997
- February 1997
- March 1997
- April 1997
- May 1997
- June 1997
- July 1997
- August 1997
- September 1997
- October 1997
- November 1997
- December 1997
Nearby years (G1+ days)
107
108
125
100
41
43
54
77
83
63
74
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 23 Nov 1997 | 7+ | 59 | G3 |
| 15 May 1997 | 7- | 56 | G3 |
| 1 Oct 1997 | 7o | 46 | G3 |
| 7 Nov 1997 | 7o | 44 | G3 |
| 22 Nov 1997 | 6o | 44 | G2 |
| 28 Feb 1997 | 6+ | 37 | G2 |
| 11 Apr 1997 | 7- | 37 | G3 |
| 9 Jun 1997 | 6- | 33 | G2 |
| 10 Jan 1997 | 6o | 32 | G2 |
| 27 Feb 1997 | 7o | 30 | 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
1997 had 43 G1+ storm days (No. 80 of 95 years) and 6 G3+ days.