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Geomagnetic activity in April 2006
Mean Ap10.9No. 679 of 1138
G1+ days5
G3+ days1
Max Ap6514 Apr 2006
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Apr 2006 | 5+ | 29 | G1 |
| 9 Apr 2006 | 6o | 46 | G2 |
| 14 Apr 2006 | 7o | 65 | G3 |
| 15 Apr 2006 | 5o | 31 | G1 |
| 22 Apr 2006 | 5- | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 2005 | 10.9 | 6 | 1 |
| April 2006 | 10.9 | 5 | 1 |
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
Mean Ap 10.9 in April 2006, No. 679 of 1138 months since 1932; 5 days reached G1 or higher.