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Solar Flare History

Last updated: Dec 29, 2025 4:19:28 AM EST • Cache: OK • Results: 41
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This list comes from the GOES X-ray flare feed (currently best as “last 7 days”). Filter to keep it readable.
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Class Begin (ET) Peak (ET) End (ET) Plain-English
C4.8 Dec 26, 2025 7:23 PM EST Dec 26, 2025 7:32 PM EST Dec 26, 2025 7:38 PM EST Small. Minor HF radio effects possible.
C2.7 Dec 26, 2025 2:15 PM EST Dec 26, 2025 2:23 PM EST Dec 26, 2025 2:32 PM EST Small. Minor HF radio effects possible.
C4.0 Dec 26, 2025 5:21 AM EST Dec 26, 2025 5:28 AM EST Dec 26, 2025 5:37 AM EST Small. Minor HF radio effects possible.
C6.9 Dec 26, 2025 4:09 AM EST Dec 26, 2025 4:14 AM EST Dec 26, 2025 4:17 AM EST Small. Minor HF radio effects possible.
C3.5 Dec 26, 2025 2:25 AM EST Dec 26, 2025 2:29 AM EST Dec 26, 2025 2:31 AM EST Small. Minor HF radio effects possible.
C2.4 Dec 25, 2025 4:47 PM EST Dec 25, 2025 4:53 PM EST Dec 25, 2025 4:56 PM EST Small. Minor HF radio effects possible.
C2.3 Dec 25, 2025 1:01 AM EST Dec 25, 2025 1:09 AM EST Dec 25, 2025 1:16 AM EST Small. Minor HF radio effects possible.
C2.6 Dec 24, 2025 11:17 PM EST Dec 24, 2025 11:24 PM EST Dec 24, 2025 11:26 PM EST Small. Minor HF radio effects possible.
C2.7 Dec 24, 2025 6:04 PM EST Dec 24, 2025 6:13 PM EST Dec 24, 2025 6:20 PM EST Small. Minor HF radio effects possible.
C4.9 Dec 24, 2025 5:07 AM EST Dec 24, 2025 5:21 AM EST Dec 24, 2025 6:13 AM EST Small. Minor HF radio effects possible.
C1.5 Dec 23, 2025 4:45 AM EST Dec 23, 2025 4:56 AM EST Dec 23, 2025 5:04 AM EST Small. Minor HF radio effects possible.
C1.2 Dec 23, 2025 4:16 AM EST Dec 23, 2025 4:24 AM EST Dec 23, 2025 4:33 AM EST Small. Minor HF radio effects possible.
C1.6 Dec 22, 2025 8:37 PM EST Dec 22, 2025 8:50 PM EST Dec 22, 2025 9:02 PM EST Small. Minor HF radio effects possible.
C1.2 Dec 22, 2025 7:03 PM EST Dec 22, 2025 7:11 PM EST Dec 22, 2025 7:17 PM EST Small. Minor HF radio effects possible.
C8.6 Dec 22, 2025 5:21 PM EST Dec 22, 2025 5:31 PM EST Dec 22, 2025 5:56 PM EST Small. Minor HF radio effects possible.
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