Aurora & Space WeatherGeomagnetic activity in 2002
Mean Ap13.1
G1+74days
G3+12days
G50days
G1+ days by month
- January 2002
- February 2002
- March 2002
- April 2002
- May 2002
- June 2002
- July 2002
- August 2002
- September 2002
- October 2002
- November 2002
- December 2002
Nearby years (G1+ days)
43
54
77
83
63
74
158
60
77
40
29
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 23 May 2002 | 8+ | 78 | G4 |
| 20 Apr 2002 | 7+ | 70 | G3 |
| 1 Oct 2002 | 7+ | 67 | G3 |
| 4 Oct 2002 | 7+ | 64 | G3 |
| 18 Apr 2002 | 7o | 63 | G3 |
| 24 Oct 2002 | 6+ | 63 | G2 |
| 17 Apr 2002 | 7+ | 62 | G3 |
| 19 Apr 2002 | 7- | 62 | G3 |
| 7 Sep 2002 | 7+ | 57 | G3 |
| 2 Oct 2002 | 7+ | 53 | 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
2002 had 74 G1+ storm days (No. 46 of 95 years) and 12 G3+ days.