Solar flux 134 and estimated planetary A-index 8. The estimated planetary K-index at 1500 UTC on 08 June was 2.33.

Forecast Issued at 2200Z on 07 Jun 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 (08 Jun, 09 Jun, 10 Jun).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to severe storm levels on day one (08 Jun), unsettled to major storm levels on day two (09 Jun) and quiet to active levels on day three (10 Jun). Protons greater than 10 Mev have a chance of crossing threshold on day one (08 Jun).