Solar flux 163 and estimated planetary A-index 11. The estimated planetary K-index at 0600 UTC on 26 December was 2.33.

Forecast Issued at 2200Z on 25 Dec 2025

Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares on days one, two, and three (26 Dec, 27 Dec, 28 Dec).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on day one (26 Dec) and quiet levels on days two and three (27 Dec, 28 Dec).