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Geomagnetic activity in August 1970
Mean Ap13.4No. 472 of 1138
G1+ days6
G3+ days2
Max Ap11517 Aug 1970
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 7 Aug 1970 | 5- | 12 | G1 |
| 8 Aug 1970 | 5o | 26 | G1 |
| 9 Aug 1970 | 5+ | 19 | G1 |
| 16 Aug 1970 | 7o | 21 | G3 |
| 17 Aug 1970 | 9- | 115 | G5 |
| 18 Aug 1970 | 6- | 36 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1969 | 8.0 | 2 | 0 |
| August 1970 | 13.4 | 6 | 2 |
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 13.4 in August 1970, No. 472 of 1138 months since 1932; 6 days reached G1 or higher.