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Geomagnetic activity in January 1979
Mean Ap16.5No. 269 of 1138
G1+ days12
G3+ days0
Max Ap454 Jan 1979
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 2 Jan 1979 | 5- | 19 | G1 |
| 4 Jan 1979 | 6- | 45 | G2 |
| 5 Jan 1979 | 5+ | 23 | G1 |
| 7 Jan 1979 | 6+ | 32 | G2 |
| 9 Jan 1979 | 5- | 15 | G1 |
| 19 Jan 1979 | 5o | 19 | G1 |
| 22 Jan 1979 | 5o | 14 | G1 |
| 23 Jan 1979 | 5+ | 27 | G1 |
| 24 Jan 1979 | 6- | 23 | G2 |
| 25 Jan 1979 | 6- | 34 | G2 |
| 26 Jan 1979 | 5+ | 28 | G1 |
| 27 Jan 1979 | 5o | 23 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1978 | 15.2 | 12 | 1 |
| January 1979 | 16.5 | 12 | 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 1978February 1979 →
About this page
Mean Ap 16.5 in January 1979, No. 269 of 1138 months since 1932; 12 days reached G1 or higher.