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Geomagnetic activity in July 2013
Mean Ap9.5No. 799 of 1138
G1+ days5
G3+ days0
Max Ap276 Jul 2013
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 6 Jul 2013 | 5- | 27 | G1 |
| 11 Jul 2013 | 5- | 20 | G1 |
| 14 Jul 2013 | 5o | 26 | G1 |
| 15 Jul 2013 | 5+ | 24 | G1 |
| 18 Jul 2013 | 5- | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 2012 | 13.9 | 5 | 2 |
| July 2013 | 9.5 | 5 | 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 9.5 in July 2013, No. 799 of 1138 months since 1932; 5 days reached G1 or higher.