July 4 – 10, 2025

Solar activity forecast for the period July 4 – 10, 2025

Issued: 2025 Jul 3 2100 UTC

Activity level from Jul 4 to Jul 7: low to high
X-ray background flux (1.0-8.0 A): in the range B5.0-C6.0
Radio flux (10.7 cm): a fluctuation in the range 105-150 f.u.
Events: class C: 1-22/day, class M: 0-6/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 25-140

Activity level from Jul 8 to Jul 10: low to high
X-ray background flux (1.0-8.0 A): in the range B5.0-C7.0
Radio flux (10.7 cm): a fluctuation in the range 105-160 f.u.
Events: class C: 1-22/day, class M: 0-6/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 25-155

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

Geomagnetic activity forecast for the period July 4 – 10, 2025

Issued: 2025 Jul 3 2130 UTC

Quiet to active: Jul 4 – 9
Unsettled to minor storm: Jul 10

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