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Solar flares — June 30, 2025

June 30, 2025

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Solar flares on June 30, 2025

The most powerful solar flare in 24 hours

C1.9 (normal) flare - June 30 at 2:34 PM

Solar activity index

Value as of the end of the day on June 30, 2025

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from June 29, 2025 to June 30, 2025

Time zone — UTC-04 (Detroit) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for June 30, 2025

The total number of solar flares of class C and higher — 6 flares

C class — 6 | M class — 0 | X class — 0

Class begin max end region
C1.1 19:57 20:02 20:05 4129
C1.9 14:25 14:34 14:40 4130
C1.1 13:59 14:05 14:16 4130
C1.0 11:13 11:20 11:26 4130
C1.4 09:20 09:27 09:34 4130
C1.2 02:24 02:33 02:40 4122