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Solar flares — June 21, 2026

June 21, 2026

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Home Solar flares June 21, 2026

Solar flares on June 21, 2026

The most powerful solar flare in 24 hours

M6.8 (strong) flare - June 21 at 10:29 PM

Solar activity index

Value as of the end of the day on June 21, 2026

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from June 20, 2026 to June 21, 2026

Time zone — UTC+03 (Penza)

Solar flares
PNG API: JSON | TXT

List of solar flares for June 21, 2026

The total number of solar flares of class C and higher — 7 flares

C class — 5 | M class — 2 | X class — 0

Class begin max end region
M6.8 22:17 22:29 22:35 4473
C2.6 21:07 21:18 21:21 4473
C1.1 11:31 11:38 11:41 4473
M2.6 05:25 05:46 05:58 4473
C1.1 04:01 04:06 04:14 4473
C1.3 02:01 02:06 02:12 4473
C4.8 00:22 00:45 01:05 4473