Aurora & Space WeatherGeomagnetic activity in 1970
Mean Ap12.0
G1+60days
G3+12days
G52days
G1+ days by month
- January 1970
- February 1970
- March 1970
- April 1970
- May 1970
- June 1970
- July 1970
- August 1970
- September 1970
- October 1970
- November 1970
- December 1970
Nearby years (G1+ days)
30
50
62
74
52
60
65
67
116
147
91
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Mar 1970 | 9o | 149 | G5 |
| 17 Aug 1970 | 9- | 115 | G5 |
| 25 Jul 1970 | 8- | 92 | G4 |
| 21 Apr 1970 | 8+ | 90 | G4 |
| 9 Jul 1970 | 7+ | 87 | G3 |
| 14 Dec 1970 | 8+ | 65 | G4 |
| 7 Nov 1970 | 7- | 58 | G3 |
| 31 Mar 1970 | 6+ | 51 | G2 |
| 9 Mar 1970 | 6+ | 47 | G2 |
| 28 May 1970 | 7o | 45 | 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
1970 had 60 G1+ storm days (No. 61 of 95 years) and 12 G3+ days.