Solar flux 110 and estimated planetary A-index 19. The estimated planetary K-index at 0000 UTC on 08 September was 4.33.

Forecast Issued at 2200Z on 07 Sep 2026

Solar Activity Forecast: Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (08 Sep, 09 Sep, 10 Sep).

Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to minor storm levels on days one and two (08 Sep, 09 Sep) and quiet to unsettled levels on day three (10 Sep).