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Geomagnetic activity in August 2015
Mean Ap14.2No. 410 of 1138
G1+ days7
G3+ days0
Max Ap5227 Aug 2015
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Aug 2015 | 5o | 18 | G1 |
| 15 Aug 2015 | 6o | 35 | G2 |
| 16 Aug 2015 | 6- | 32 | G2 |
| 23 Aug 2015 | 5+ | 26 | G1 |
| 26 Aug 2015 | 5- | 27 | G1 |
| 27 Aug 2015 | 6+ | 52 | G2 |
| 28 Aug 2015 | 6- | 40 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 2014 | 7.7 | 2 | 0 |
| August 2015 | 14.2 | 7 | 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 14.2 in August 2015, No. 410 of 1138 months since 1932; 7 days reached G1 or higher.