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Geomagnetic activity in July 1973
Mean Ap11.8No. 599 of 1138
G1+ days5
G3+ days0
Max Ap3626 Jul 1973
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Jul 1973 | 5+ | 32 | G1 |
| 16 Jul 1973 | 5o | 15 | G1 |
| 26 Jul 1973 | 5+ | 36 | G1 |
| 27 Jul 1973 | 5o | 29 | G1 |
| 31 Jul 1973 | 5o | 26 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1972 | 7.7 | 2 | 0 |
| July 1973 | 11.8 | 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 11.8 in July 1973, No. 599 of 1138 months since 1932; 5 days reached G1 or higher.