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Geomagnetic activity in March 2025
Mean Ap15.9No. 309 of 1138
G1+ days10
G3+ days0
Max Ap4026 Mar 2025
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 Mar 2025 | 5o | 22 | G1 |
| 9 Mar 2025 | 6- | 31 | G2 |
| 12 Mar 2025 | 5o | 30 | G1 |
| 13 Mar 2025 | 5o | 36 | G1 |
| 14 Mar 2025 | 5+ | 21 | G1 |
| 19 Mar 2025 | 5- | 20 | G1 |
| 21 Mar 2025 | 5+ | 24 | G1 |
| 22 Mar 2025 | 6- | 32 | G2 |
| 26 Mar 2025 | 6- | 40 | G2 |
| 27 Mar 2025 | 5- | 30 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 2024 | 11.0 | 5 | 1 |
| March 2025 | 15.9 | 10 | 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 15.9 in March 2025, No. 309 of 1138 months since 1932; 10 days reached G1 or higher.