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Geomagnetic activity in March 1949
Mean Ap19.2No. 172 of 1138
G1+ days11
G3+ days4
Max Ap9022 Mar 1949
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Mar 1949 | 5- | 24 | G1 |
| 3 Mar 1949 | 5o | 22 | G1 |
| 9 Mar 1949 | 5+ | 22 | G1 |
| 14 Mar 1949 | 5+ | 38 | G1 |
| 15 Mar 1949 | 5- | 21 | G1 |
| 16 Mar 1949 | 7+ | 36 | G3 |
| 17 Mar 1949 | 6+ | 36 | G2 |
| 18 Mar 1949 | 7- | 37 | G3 |
| 21 Mar 1949 | 6+ | 23 | G2 |
| 22 Mar 1949 | 8- | 90 | G4 |
| 23 Mar 1949 | 7o | 47 | G3 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 1948 | 17.4 | 8 | 1 |
| March 1949 | 19.2 | 11 | 4 |
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 19.2 in March 1949, No. 172 of 1138 months since 1932; 11 days reached G1 or higher.