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Geomagnetic activity in March 2003
Mean Ap21.2No. 124 of 1138
G1+ days16
G3+ days0
Max Ap4331 Mar 2003
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Mar 2003 | 5+ | 24 | G1 |
| 4 Mar 2003 | 5o | 34 | G1 |
| 6 Mar 2003 | 5- | 27 | G1 |
| 14 Mar 2003 | 5+ | 23 | G1 |
| 15 Mar 2003 | 5o | 26 | G1 |
| 16 Mar 2003 | 6o | 31 | G2 |
| 17 Mar 2003 | 6- | 42 | G2 |
| 18 Mar 2003 | 5- | 28 | G1 |
| 20 Mar 2003 | 5- | 25 | G1 |
| 21 Mar 2003 | 5o | 30 | G1 |
| 23 Mar 2003 | 5o | 22 | G1 |
| 27 Mar 2003 | 5- | 25 | G1 |
| 28 Mar 2003 | 6- | 27 | G2 |
| 29 Mar 2003 | 5+ | 37 | G1 |
| 30 Mar 2003 | 6- | 39 | G2 |
| 31 Mar 2003 | 6+ | 43 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 2002 | 10.4 | 4 | 0 |
| March 2003 | 21.2 | 16 | 0 |
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 21.2 in March 2003, No. 124 of 1138 months since 1932; 16 days reached G1 or higher.