A major solar flare measuring X9.0 erupted from Active Region 3842 at 12:18 UTC on October 3, 2024. The event started at 12:08 and ended at 12:27 UTC. This is thus far the strongest solar flare of Solar Cycle 25.
A major solar flare measuring X7.1 erupted from Active Region 3842 at 22:20 UTC on October 1, 2024, producing a CME that most likely has an Earth-directed component. This is the second-strongest solar flare of Solar Cycle 25.
A major solar flare measuring X4.5 erupted from Active Region 3825 at 15:29 UTC on September 14, 2024. The event started at 15:13 and ended at 15:47 UTC. This is the fifth strongest solar flare of Solar Cycle 25.
A major solar flare measuring X1.3 erupted from an unnumbered active region on the Sun’s SE limb at 09:43 UTC on Thursday, September 12, 2024. The event started at 09:31 and ended at 09:51 UTC.
A major, long-duration solar flare measuring X1.3 erupted from Active Region 3777 at 19:35 UTC on August 8, 2024. The event started at 19:01 and ended at 19:57 UTC.
An impulsive solar flare measuring X1.5 erupted from geoeffective Active Region 3766 at 02:37 UTC on July 29, 2024. The event started at 02:33 and ended at 02:43 UTC. As a result of recent solar activity, a G3 – Strong geomagnetic storm watch is in effect.
A major solar flare measuring X14 erupted on the Sun’s far side at 00:00 UTC on July 23, 2024, producing a full halo coronal mass ejection (CME). The event sent energetic particles throughout the solar system, including Earth, where it caused an S1 – Minor solar radiation storm.
A powerful solar flare measuring X1.9 erupted from departing Active Region 3738 at 13:26 UTC on July 16, 2024. The event started at 13:11 and ended at 13:36 UTC.
A major solar flare measuring X1.2 erupted from Active Region 3738 at 02:34 UTC on July 14, 2024. The event started at 02:23 and ended at 02:48 UTC.
A G2 – Moderate geomagnetic storm watch is in effect for June 10, 2024, due to the anticipated arrival of coronal mass ejection (CME) produced by a long-duration M9.7 solar flare on June 8.
