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Geomagnetic activity in March 2018
Mean Ap8.0No. 941 of 1138
G1+ days1
G3+ days0
Max Ap2218 Mar 2018
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Mar 2018 | 6o | 22 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| March 2017 | 14.1 | 7 | 0 |
| March 2018 | 8.0 | 1 | 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 8.0 in March 2018, No. 941 of 1138 months since 1932; 1 days reached G1 or higher.