January 17 – 23, 2025

Solar activity forecast for the period January 17 – 23, 2025

Issued: 2025 Jan 16 2100 UTC

Activity level from Jan 17 to Jan 20: low to high
X-ray background flux (1.0-8.0 A): in the range C1.0-M2.0
Radio flux (10.7 cm): a fluctuation in the range 170-240 f.u.
Events: class C: 1-25/day, class M: 0-15/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 75-230

Activity level from Jan 21 to Jan 23: low to high
X-ray background flux (1.0-8.0 A): in the range C1.0-M2.0
Radio flux (10.7 cm): a fluctuation in the range 180-260 f.u.
Events: class C: 1-25/day, class M: 0-15/day, class X: 0-2/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 85-260

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

Geomagnetic activity forecast for the period January 17 – 23, 2025

Issued: 2025 Jan 16 2130 UTC

Quiet to active: Jan 17 – 23

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