Major X3.3 solar flare erupts behind the SW limb, S2 – Moderate solar radiation storm

A powerful solar flare measuring X3.3 erupted behind the SW limb of the Sun (AR 3575)…

Strong M9.0 solar flare erupts from geoeffective Region 3576

A strong solar flare measuring M9.0 erupted at 23:07 UTC on February 10, 2024, from geoeffective…

Major X5.0 solar flare erupts from Region 3536 — the strongest flare of Solar Cycle 25

A major X5.0 solar flare erupted from Active Region 3536 at 21:55 UTC on December 31,…

Multiple M-class solar flares and CMEs, possible CME impact on December 27

Multiple M-class solar flares and CMEs were recorded on December 24, 2023. Forecasts indicate potential geomagnetic…

Moderately strong M4.2 solar flare erupts from Region 3519

A moderately strong solar flare measuring M4.2 erupted from Active Region 3519 at 05:38 UTC on…

Major X2.8 solar flare erupts from Region 3514

A powerful solar flare measuring X2.8 erupted from Active Region 3514 at 17:02 UTC on December…

M5.8 solar flare and multiple CMEs, minor geomagnetic storms expected by December 16

Solar activity increased to high levels in 24 hours to 12:30 UTC on December 14, 2023,…

Impulsive M5.4 solar flare erupts from Region 3511, multiple filament eruptions

An impulsive solar flare measuring M5.4 erupted from Active Region 3511 at 23:07 UTC on December…

Multiple CMEs impact Earth, sparking G3 – Strong geomagnetic storm

Multiple coronal mass ejections (CMEs) produced on November 27 and 28, 2023, impacted Earth on November…

Multiple CMEs heading toward Earth, G3 – Strong Geomagnetic Storm Watch in effect

Multiple coronal mass ejections (CMEs) produced on November 27 and 28, 2023 are heading toward Earth,…