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Geomagnetic activity in January 1972
Mean Ap12.5No. 542 of 1138
G1+ days7
G3+ days0
Max Ap3223 Jan 1972
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 15 Jan 1972 | 5o | 19 | G1 |
| 16 Jan 1972 | 6- | 29 | G2 |
| 21 Jan 1972 | 6- | 22 | G2 |
| 22 Jan 1972 | 5- | 25 | G1 |
| 23 Jan 1972 | 5+ | 32 | G1 |
| 26 Jan 1972 | 5+ | 22 | G1 |
| 28 Jan 1972 | 5+ | 23 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| January 1971 | 12.4 | 8 | 0 |
| January 1972 | 12.5 | 7 | 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 1971February 1972 →
About this page
Mean Ap 12.5 in January 1972, No. 542 of 1138 months since 1932; 7 days reached G1 or higher.