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Geomagnetic activity in July 2015
Mean Ap8.8No. 865 of 1138
G1+ days6
G3+ days0
Max Ap3313 Jul 2015
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Jul 2015 | 5+ | 19 | G1 |
| 5 Jul 2015 | 5+ | 22 | G1 |
| 10 Jul 2015 | 5- | 8 | G1 |
| 11 Jul 2015 | 5- | 23 | G1 |
| 13 Jul 2015 | 6- | 33 | G2 |
| 23 Jul 2015 | 5+ | 21 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 2014 | 4.5 | 0 | 0 |
| July 2015 | 8.8 | 6 | 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 8.8 in July 2015, No. 865 of 1138 months since 1932; 6 days reached G1 or higher.