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Geomagnetic activity in August 2019
Mean Ap6.9No. 1013 of 1138
G1+ days2
G3+ days0
Max Ap3831 Aug 2019
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Aug 2019 | 5+ | 34 | G1 |
| 31 Aug 2019 | 6- | 38 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 2018 | 8.9 | 2 | 1 |
| August 2019 | 6.9 | 2 | 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 6.9 in August 2019, No. 1013 of 1138 months since 1932; 2 days reached G1 or higher.