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Geomagnetic activity in July 1980
Mean Ap11.0No. 665 of 1138
G1+ days4
G3+ days2
Max Ap4625 Jul 1980
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 18 Jul 1980 | 7- | 30 | G3 |
| 19 Jul 1980 | 5+ | 16 | G1 |
| 25 Jul 1980 | 7o | 46 | G3 |
| 26 Jul 1980 | 6o | 26 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1979 | 11.5 | 8 | 0 |
| July 1980 | 11.0 | 4 | 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 11.0 in July 1980, No. 665 of 1138 months since 1932; 4 days reached G1 or higher.