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Geomagnetic activity in August 1973
Mean Ap12.1No. 577 of 1138
G1+ days5
G3+ days0
Max Ap4624 Aug 1973
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 23 Aug 1973 | 5- | 22 | G1 |
| 24 Aug 1973 | 6o | 46 | G2 |
| 25 Aug 1973 | 5o | 29 | G1 |
| 27 Aug 1973 | 5o | 26 | G1 |
| 28 Aug 1973 | 5o | 28 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| August 1972 | 24.2 | 7 | 4 |
| August 1973 | 12.1 | 5 | 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 12.1 in August 1973, No. 577 of 1138 months since 1932; 5 days reached G1 or higher.