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Geomagnetic activity in March 2012
Mean Ap16.1No. 291 of 1138
G1+ days10
G3+ days1
Max Ap879 Mar 2012
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Mar 2012 | 6o | 48 | G2 |
| 8 Mar 2012 | 5o | 25 | G1 |
| 9 Mar 2012 | 8o | 87 | G4 |
| 10 Mar 2012 | 5- | 19 | G1 |
| 12 Mar 2012 | 6+ | 32 | G2 |
| 15 Mar 2012 | 6+ | 36 | G2 |
| 16 Mar 2012 | 5o | 26 | G1 |
| 17 Mar 2012 | 5o | 26 | G1 |
| 27 Mar 2012 | 5o | 17 | G1 |
| 28 Mar 2012 | 5- | 15 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 2011 | 8.2 | 4 | 0 |
| March 2012 | 16.1 | 10 | 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 16.1 in March 2012, No. 291 of 1138 months since 1932; 10 days reached G1 or higher.