October 31 – November 6, 2025

Solar activity forecast for the period October 31 – November 6, 2025

Issued: 2025 Oct 30 2100 UTC

Activity level from Oct 31 to Nov 3: low to high
X-ray background flux (1.0-8.0 A): in the range B3.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 110-170 f.u.
Events: class C: 0-22/day, class M: 0-5/day, class X: 0-1/period, proton: 0-1/period
Relative sunspot number (Ri): in the range 25-165

Activity level from Nov 4 to Nov 6: low to high
X-ray background flux (1.0-8.0 A): in the range B3.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 110-180 f.u.
Events: class C: 0-22/day, class M: 0-7/day, class X: 0-1/period, proton: 0-1/period
Relative sunspot number (Ri): in the range 25-175

Jozef Lesko
Slovak Republic
https://roztoky.space/category/predpovede/
e-mail: safor (at) protonmail.ch

Geomagnetic activity forecast for the period October 31 – November 6 2025

Issued: 2025 Oct 30 2130 UTC

Quiet to active: Nov 2 – 6
Unsettled to minor storm: Nov 1
Active to major storm: Oct 31

Jozef Lesko
Slovak Republic
https://roztoky.space/category/predpovede/
e-mail: safor (at) protonmail.ch