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Geomagnetic activity in April 2010
Mean Ap10.3No. 723 of 1138
G1+ days4
G3+ days1
Max Ap555 Apr 2010
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Apr 2010 | 8- | 55 | G4 |
| 6 Apr 2010 | 5+ | 44 | G1 |
| 12 Apr 2010 | 6- | 19 | G2 |
| 14 Apr 2010 | 5o | 10 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| April 2009 | 4.4 | 0 | 0 |
| April 2010 | 10.3 | 4 | 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 10.3 in April 2010, No. 723 of 1138 months since 1932; 4 days reached G1 or higher.