Solar flux 141 and estimated planetary A-index 7. The estimated planetary K-index at 0300 UTC on 01 April was 3.00.

Forecast Issued at 2200Z on 31 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 (01 Apr, 02 Apr, 03 Apr).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on days one and two (01 Apr, 02 Apr) and unsettled to active levels on day three (03 Apr). Protons have a slight chance of crossing threshold on days one, two, and three (01 Apr, 02 Apr, 03 Apr).