Daily Report

Geomagnetic Summary

(last updated 22 Jan 2026 23:30 UT)

Geomagnetic field for Australian Region 22 Jan: G0 Estimated Indices 22 Jan : A K Australian Region 10 32232223 Cocos Island 6 22222212 Darwin 10 32232223 Townsville 11 32233223 Learmonth 11 32233313 Alice Springs 9 32232213 Gingin 9 32322222 Canberra 11 33332113 Kennaook Cape Grim 12 33332223 Hobart 12 33332223 Estimated Antarctic Regional K Indices 22 Jan : Macquarie Island 8 22322213 Casey 31 45653233 Mawson 32 55433336 Observed Regional daily pc3 Indices 22 Jan : Darwin 0 (Quiet) Townsville 0 (Quiet) Learmonth 0 (Quiet) Alice Springs 0 (Quiet) Gingin 4 (Quiet) Canberra 38 (Quiet to unsettled) Hobart 83 (Minor storm) Pc3 pulsations are high frequency (10-45 second period) variations of the Earths magnetic field. Daily pc3-indices are the daily sum of 20 minute pc3-indices for that station and have been shown to be well correlated with rejection of high resolution aeromagnetic survey flight-line data. NOTE: Indices may have been generated from data obtained in cooperation with the following organisations: Geoscience Australia, University of Newcastle Space Physics Group, Australian Government Antarctic Division and International Center for Space Weather Science and Education, Japan. Estimated AFr/Ap Indices 22 Jan : A Fredericksburg 12 Planetary 13 Observed AFr/Ap Indices 21 Jan : A K Fredericksburg 45 Planetary 73 7776 4433

Geomagnetic Forecast

(last updated 22 Jan 2026 23:30 UT)

Date Ap Conditions 23 Jan 9 G0 24 Jan 10 G0 25 Jan 9 G0 COMMENT: Geomagnetic conditions in the Australian region were at G0 levels on UT day 22-Jan, as the effects of a previous coronal mass ejection impact continue to ease. G0 conditions were also observed at the planetary level, with some intervals of G1-G2 activity reported in the Antarctic region. G0 conditions are forecast for 23-25 Jan, as geomagnetic effects from both the previously mentioned CME, and a coronal hole high speed wind stream both continue to subside.