Solar flux 194 and estimated planetary A-index 18. The estimated planetary K-index at 1200 UTC on 23 January was 4.33. Space weather for the past 24 hours has been

Forecast Issued at 2200Z on 22 Jan 2026

Solar Activity Forecast: Solar activity is likely to be moderate with a slight chance for an X-class flare on days one, two, and three (23 Jan, 24 Jan, 25 Jan).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to active levels on day one (23 Jan) and quiet to unsettled levels on days two and three (24 Jan, 25 Jan). Protons have a slight chance of crossing threshold on days one, two, and three (23 Jan, 24 Jan, 25 Jan).