Aurora & Space WeatherGeomagnetic activity in 2012
Mean Ap9.1
G1+52days
G3+6days
G50days
G1+ days by month
- January 2012
- February 2012
- March 2012
- April 2012
- May 2012
- June 2012
- July 2012
- August 2012
- September 2012
- October 2012
- November 2012
- December 2012
Nearby years (G1+ days)
29
16
4
15
34
52
30
23
69
63
53
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Mar 2012 | 8o | 87 | G4 |
| 15 Jul 2012 | 7o | 78 | G3 |
| 7 Mar 2012 | 6o | 48 | G2 |
| 13 Oct 2012 | 6- | 47 | G2 |
| 9 Oct 2012 | 7- | 46 | G3 |
| 17 Jun 2012 | 6o | 43 | G2 |
| 9 Jul 2012 | 7- | 42 | G3 |
| 16 Jul 2012 | 6+ | 42 | G2 |
| 24 Apr 2012 | 7- | 41 | G3 |
| 8 Oct 2012 | 6+ | 40 | 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
2012 had 52 G1+ storm days (No. 74 of 95 years) and 6 G3+ days.