M9.4 solar flare erupts beyond northeastern limb
A strong solar flare measuring M9.4 erupted beyond the Sun’s northeastern limb at 07:42 UTC on November 25, 2024. The event started at 07:24 and ended at 08:03 UTC.
Solar radiation storm reaches S2 – Moderate level following farside eruption
A strong solar flare erupted well beyond the west limb of the Sun at approximately 18:00 UTC on November 21, 2024. This event produced a large coronal mass ejection (CME) and sparked a solar radiation storm on Earth reaching S2 – Moderate levels on November 22.
Strong M9.4 solar flare erupts from Region 3889, CME produced
A strong solar flare measuring M9.4 erupted from Active Region 3889 at 12:06 UTC on November 10, 2024. The event started at 11:51 and ended at 12:14 UTC.
Major X2.3 solar flare erupts from Region 3883
A major solar flare registered as X2.3 erupted from Active Region 3883 at 13:40 UTC on November 6, 2024. The event started at 13:24 and ended at 13:46 UTC. Meanwhile, a glancing blow from the CME associated with the M3.8 on November 4 is expected on November 7.
X2.0 solar flare erupts from Region 3878, solar radiation storm enters 7th day
A major solar flare registered as X2.0 erupted from Active Region 3878 at 21:20 UTC on October 31, 2024. The event started at 21:12 and ended at 21:27 UTC. The flare was immediately followed by a long-duration M9.5 flare. Meanwhile, the solar radiation storm that started on October 26 entered the 7th day and continues at S1 – Minor levels.
Solar radiation storm reaches S2 – Moderate levels following X1.8 flare on October 26
A solar radiation storm reached S2 – Moderate levels on October 27, 2024, following a powerful X1.8 flare on October 26. Elevated levels of high-energy protons are expected to persist, potentially impacting high-altitude flights, satellite operations, and polar radio communications.
Major, long-duration X1.8 solar flare erupts from Region 3872
A major, long-duration solar flare measuring X1.8 erupted from Active Region 3872 at 07:19 UTC on October 26, 2024. The event started at 05:57 and ended at 07:56 UTC. A large coronal mass ejection (CME) was produced during the event.
Major X3.3 solar flare erupts from returning Region 3842, source of strongest solar flare of Solar Cycle 25
A major, long-duration solar flare measuring X3.3 erupted from the Sun’s southeast limb at 03:57 UTC on October 24, 2024. The event started at 03:30 and ended at 04:28 UTC. The source is returning Region 3842.
Sun enters the solar maximum phase for Solar Cycle 25
NASA and NOAA announced on October 15, 2024, that the Sun has officially entered its solar maximum phase, a period marked by heightened sunspot activity, expected to continue into 2025.
Fast CME produced by X1.8 solar flare impacts Earth, producing G4 – Severe geomagnetic storm
Coronal mass ejection (CME) produced by X1.8 solar flare on October 9, 2024, impacted Earth at 15:15 UTC on October 10, at nearly 2.4 million km/h (1.5 million miles per hour), triggering G4 – Severe geomagnetic storm.
