Latest Helios Report

  • Solar Watch — June 17, 2026 | 18:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-06-17 16:00 UTC
    Solar activity remains low with minor geomagnetic fluctuations expected
    SOLAR: MODERATE
    GEO: QUIET

    Active Regions
    3
    X-Ray
    A/B (quiet)

    Solar activity is currently stable, characterized by low-level C-class flare production and quiet geomagnetic conditions. While no significant storms are anticipated, we expect a modest increase in geomagnetic unrest over the next 24 hours.

    HMI Continuum Intensity

    HMI Continuum · Visible Light

    SUVI 304 — Extreme UV

    SUVI 304Å · Extreme Ultraviolet

    R0
    Radio Blackouts
    24h max: R0

    S0
    Solar Radiation
    24h max: S0

    G0
    Geomagnetic Storm
    24h max: G0

    Planetary Kp-Index
    2.3
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    118.0
    sfu · >150 = high activity

    The sun is currently in a quiet state, with an F10.7 flux of 118.0 sfu indicating moderate solar radio output. There are six active regions on the solar disk, though none are currently manifesting significant magnetic complexity. Kp index levels remain low at 2.3, suggesting a stable magnetosphere with minimal current interaction from solar wind streams.

    Key Metric

    The predicted Kp of 3.67 is the most important metric as it marks a transition from quiet to unsettled conditions, though it remains below storm thresholds.

    Geomagnetic conditions are expected to reach a minor level of unrest, peaking at Kp 3.67 during the next 24-hour window. This is a standard fluctuation rather than a storm, and no significant disruptions to radio communications or satellite operations are anticipated.

    🌌 Aurora Outlook

    Aurora visibility is not expected for mid-latitudes (40-60°N). Observers at very high latitudes may see minor activity, but the current solar wind environment does not support a southward excursion of the auroral oval.

    Region Location Class Flares C/M/X
    AR4470 N07E54 Dao/B 0/0/0
    AR4469 S16W06 Bxo/B 1/0/0
    AR4465 N07W49 Cso/B 1/0/0
    2026-06-16 11:24:14.140Space Weather Message Code: ALTEF3
    2026-06-15 12:35:56.833Space Weather Message Code: ALTEF3
    2026-06-14 13:28:09.427Space Weather Message Code: ALTEF3
    2026-06-14 08:30:13.163Space Weather Message Code: WATA30
    2026-06-13 23:56:02.700Space Weather Message Code: WARK04

    Monitor AR4470 as it rotates into a more geo-effective position, as its development could alter the 48-hour flare forecast.