Author: sitemill

  • Solar Watch — June 19, 2026 | 18:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-06-19 16:00 UTC
    Quiet Solar Conditions Persist; Low-Level Geomagnetic Activity Expected
    SOLAR: QUIET
    GEO: QUIET

    Active Regions
    4
    X-Ray
    A/B (quiet)

    Solar activity remains in a quiet state with no significant eruptive events or geomagnetic storms reported. The current space weather environment is stable with minimal impact on terrestrial systems.

    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
    1.7
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    122.0
    sfu · >150 = high activity

    The Sun remains relatively calm, with X-ray flux levels holding in the B-range and a current Kp-index of 1.7. There are six active regions present on the solar disk, but their magnetic configurations are currently stable. The F10.7 solar radio flux of 122 sfu indicates a moderate baseline of solar activity, sufficient for standard satellite operations and high-frequency communication.

    Key Metric

    The current Kp-index of 1.7, which indicates a calm magnetosphere and normal operational conditions for power grids and satellite systems.

    Conditions are expected to remain unsettled but quiet, with the Kp-index projected to stay below storm thresholds. Minor fluctuations toward Kp 3 may occur, but no significant geomagnetic disturbances are anticipated in the next 24 hours.

    🌌 Aurora Outlook

    Aurora activity will be largely confined to high polar latitudes. Mid-latitude observers should not expect visible auroral displays, as current geomagnetic energy levels are insufficient to drive the aurora toward lower latitudes.

    Region Location Class Flares C/M/X
    AR4472 S13E68 Hax/A 0/0/0
    AR4471 N18W02 Cso/B 0/0/0
    AR4470 N06E28 Dao/B 0/0/0
    AR4465 N07W76 Cso/B 0/0/0
    2026-06-18 15:07:21.583Space Weather Message Code: ALTEF3
    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

    Development within active region AR4472, which is approaching the eastern limb and currently shows the most complex magnetic potential for flare activity.