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Geomagnetic activity in August 2013
Mean Ap8.3No. 910 of 1138
G1+ days3
G3+ days0
Max Ap2616 Aug 2013
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Aug 2013 | 5- | 15 | G1 |
| 16 Aug 2013 | 5+ | 26 | G1 |
| 27 Aug 2013 | 5o | 16 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 2012 | 7.0 | 2 | 0 |
| August 2013 | 8.3 | 3 | 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 8.3 in August 2013, No. 910 of 1138 months since 1932; 3 days reached G1 or higher.