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Geomagnetic activity in August 1979
Mean Ap17.4No. 234 of 1138
G1+ days11
G3+ days3
Max Ap7729 Aug 1979
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Aug 1979 | 5- | 16 | G1 |
| 12 Aug 1979 | 5+ | 18 | G1 |
| 13 Aug 1979 | 7+ | 76 | G3 |
| 18 Aug 1979 | 5o | 11 | G1 |
| 19 Aug 1979 | 6- | 35 | G2 |
| 20 Aug 1979 | 7o | 42 | G3 |
| 21 Aug 1979 | 5o | 22 | G1 |
| 24 Aug 1979 | 5- | 13 | G1 |
| 25 Aug 1979 | 5- | 22 | G1 |
| 29 Aug 1979 | 8- | 77 | G4 |
| 30 Aug 1979 | 5- | 15 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1978 | 16.9 | 9 | 1 |
| August 1979 | 17.4 | 11 | 3 |
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 17.4 in August 1979, No. 234 of 1138 months since 1932; 11 days reached G1 or higher.