Latest Helios Report

  • Solar Watch — July 28, 2026 | 18:00 UTC

    ☀ Helios Solar Watch · 2026-07-28 16:00 UTC
    QUIET

    Current solar conditions are quiet, though geomagnetic activity is expected to see a brief increase in the next few hours. Nine active regions are present on the disk, maintaining a consistent moderate-level solar flux.

    HMI Continuum Intensity

    Visible light · 6 active regions

    SUVI 304 — Extreme UV

    Extreme UV · 304 Å

    Kp Index
    2.3
    5 or above = storm

    Geomagnetic
    G0
    24 h max: G0

    X-Ray
    A/B
    quiet


    ⚠ Electron flux F3 reached · 4 more below
    Next 24 h

    Geomagnetic conditions are expected to transition to unsettled levels reaching Kp 3.67 by late in the cycle.

    more

    Flare activity will likely remain focused on the C-class level, with a 60% probability of M-class events due to the current complexity of the visible active regions.

    🌌 Aurora

    Aurora visibility is not expected at mid-latitudes (40-60°N).

    more

    Observers at high latitudes may see minimal activity as the Kp-index rises toward 3.67, but widespread displays are unlikely.

    👁 Watch for

    Monitor the complexity of AR4498 and AR4496 as they continue their transit; any rapid magnetic configuration changes could increase the probability of M-class flaring.

    ▸ Detailed readings

    Radio blackout
     R0
    (24 h max R0)
    Radiation
     S0
    (24 h max S0)
    F10.7
     111.0
    sfu

    Region Location Class Flares C/M/X
    AR4492 N16W47 Hsx/A 0/0/0
    AR4496 N05E06 Cao/B 1/0/0
    AR4499 N04E33 Cro/B 0/0/0
    AR4498 N13E63 Cao/B 1/0/0
    AR4495 S03W38 Cro/B 0/0/0
    AR4494 S03W27 Cso/B 1/0/0
    NOAA messages
    2026-07-27 14:53  Electron flux F3 reached (ALTEF3)
    2026-07-27 04:03  ALTTP2 (ALTTP2)
    2026-07-24 08:56  Kp 4 expected (WARK04)
    2026-07-23 23:47  Kp 5 (G1) expected (WARK05)
    2026-07-23 20:15  Kp 5 (G1) reached (ALTK05)


    Helios Observer · Data: NOAA SWPC · updated every 12 h