Aurora & Space WeatherHome › Geomagnetic history › 2026
Geomagnetic activity in March 2026
Mean Ap15.5No. 332 of 1138
G1+ days8
G3+ days2
Max Ap7822 Mar 2026
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Mar 2026 | 5o | 14 | G1 |
| 13 Mar 2026 | 6- | 22 | G2 |
| 14 Mar 2026 | 6o | 42 | G2 |
| 20 Mar 2026 | 6+ | 30 | G2 |
| 21 Mar 2026 | 7o | 43 | G3 |
| 22 Mar 2026 | 7o | 78 | G3 |
| 23 Mar 2026 | 5o | 31 | G1 |
| 25 Mar 2026 | 5o | 15 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 2025 | 15.9 | 10 | 0 |
| March 2026 | 15.5 | 8 | 2 |
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 15.5 in March 2026, No. 332 of 1138 months since 1932; 8 days reached G1 or higher.