Aurora & Space WeatherGeomagnetic activity in 2013
Mean Ap7.6
G1+30days
G3+3days
G50days
G1+ days by month
- January 2013
- February 2013
- March 2013
- April 2013
- May 2013
- June 2013
- July 2013
- August 2013
- September 2013
- October 2013
- November 2013
- December 2013
Nearby years (G1+ days)
16
4
15
34
52
30
23
69
63
53
20
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 17 Mar 2013 | 7- | 72 | G3 |
| 1 Jun 2013 | 7o | 58 | G3 |
| 2 Oct 2013 | 8- | 58 | G4 |
| 29 Jun 2013 | 6+ | 50 | G2 |
| 25 May 2013 | 5o | 37 | G1 |
| 1 Mar 2013 | 5o | 34 | G1 |
| 1 May 2013 | 6- | 29 | G2 |
| 9 Oct 2013 | 5+ | 29 | G1 |
| 29 Mar 2013 | 5+ | 28 | G1 |
| 8 Dec 2013 | 6o | 28 | 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
2013 had 30 G1+ storm days (No. 86 of 95 years) and 3 G3+ days.