Solar flux 152 and estimated planetary A-index 12. The estimated planetary K-index at 0600 UTC on 31 March was 2.67.

Forecast Issued at 2200Z on 30 Mar 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 (31 Mar, 01 Apr, 02 Apr).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to major storm levels on day one (31 Mar), quiet to minor storm levels on day two (01 Apr) and quiet to unsettled levels on day three (02 Apr). Protons have a chance of crossing threshold on days one and two (31 Mar, 01 Apr) and have a chance of crossing threshold on day three (02 Apr).