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Geomagnetic activity in January 1980
Mean Ap10.4No. 717 of 1138
G1+ days5
G3+ days0
Max Ap2728 Jan 1980
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 1 Jan 1980 | 5o | 24 | G1 |
| 13 Jan 1980 | 5- | 23 | G1 |
| 27 Jan 1980 | 5o | 24 | G1 |
| 28 Jan 1980 | 5+ | 27 | G1 |
| 29 Jan 1980 | 5+ | 26 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1979 | 16.5 | 12 | 0 |
| January 1980 | 10.4 | 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.
← December 1979February 1980 →
About this page
Mean Ap 10.4 in January 1980, No. 717 of 1138 months since 1932; 5 days reached G1 or higher.