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Geomagnetic activity in May 2014
Mean Ap5.7No. 1073 of 1138
G1+ days2
G3+ days0
Max Ap208 May 2014
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 8 May 2014 | 5- | 20 | G1 |
| 23 May 2014 | 5+ | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 2013 | 9.7 | 4 | 0 |
| May 2014 | 5.7 | 2 | 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 5.7 in May 2014, No. 1073 of 1138 months since 1932; 2 days reached G1 or higher.