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Geomagnetic activity in July 1972
Mean Ap7.7No. 958 of 1138
G1+ days2
G3+ days0
Max Ap3325 Jul 1972
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 24 Jul 1972 | 6- | 17 | G2 |
| 25 Jul 1972 | 5+ | 33 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1971 | 7.7 | 2 | 0 |
| July 1972 | 7.7 | 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 7.7 in July 1972, No. 958 of 1138 months since 1932; 2 days reached G1 or higher.