Solar flux 133 and estimated planetary A-index 21. The estimated planetary K-index at 2100 UTC on 28 January was 3.33.

Forecast Issued at 2200Z on 27 Jan 2026

Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares on days one and two (28 Jan, 29 Jan) and expected to be low with a slight chance for an M-class flare on day three (30 Jan).

Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to minor storm levels on day one (28 Jan), quiet to active levels on day two (29 Jan) and quiet to unsettled levels on day three (30 Jan).