Týždenná predpoveď slnečnej
a geomagnetickej aktivity

Solar activity forecast for the period July 11 – 17, 2025

Issued: 2025 Jul 10 2100 UTC

Activity level from Jul 11 to Jul 14: low to high
X-ray background flux (1.0-8.0 A): in the range B6.0-C8.0
Radio flux (10.7 cm): a fluctuation in the range 110-165 f.u.
Events: class C: 1-25/day, class M: 0-7/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 30-160

Activity level from Jul 15 to Jul 17: low to high
X-ray background flux (1.0-8.0 A): in the range B6.0-C8.0
Radio flux (10.7 cm): a fluctuation in the range 110-165 f.u.
Events: class C: 1-25/day, class M: 0-7/day, class X: 0-1/day, proton: 0-1/period
Relative sunspot number (Ri): in the range 30-160

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

Geomagnetic activity forecast for the period July 11 – 17, 2025

Issued: 2025 Jul 10 2130 UTC

Quiet to active: Jul 11 – 17

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