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Geomagnetic activity in March 2013
Mean Ap10.5No. 702 of 1138
G1+ days5
G3+ days1
Max Ap7217 Mar 2013
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Mar 2013 | 5o | 34 | G1 |
| 17 Mar 2013 | 7- | 72 | G3 |
| 27 Mar 2013 | 5o | 20 | G1 |
| 29 Mar 2013 | 5+ | 28 | G1 |
| 30 Mar 2013 | 5o | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 2012 | 16.1 | 10 | 1 |
| March 2013 | 10.5 | 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 10.5 in March 2013, No. 702 of 1138 months since 1932; 5 days reached G1 or higher.