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Geomagnetic activity in July 2012
Mean Ap13.9No. 442 of 1138
G1+ days5
G3+ days2
Max Ap7815 Jul 2012
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Jul 2012 | 7- | 42 | G3 |
| 14 Jul 2012 | 6- | 19 | G2 |
| 15 Jul 2012 | 7o | 78 | G3 |
| 16 Jul 2012 | 6+ | 42 | G2 |
| 17 Jul 2012 | 5- | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 2011 | 8.2 | 1 | 0 |
| July 2012 | 13.9 | 5 | 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 13.9 in July 2012, No. 442 of 1138 months since 1932; 5 days reached G1 or higher.