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Solar flares — June 16, 2025

June 16, 2025

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Home Solar flares June 16, 2025

Solar flares on June 16, 2025

The most powerful solar flare in 24 hours

M6.3 (strong) flare - June 16 at 4:38 AM

Solar activity index

Value as of the end of the day on June 16, 2025

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from June 15, 2025 to June 16, 2025

Time zone — UTC-05 (Pierre) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for June 16, 2025

The total number of solar flares of class C and higher — 9 flares

C class — 6 | M class — 3 | X class — 0

Class begin max end region
C6.8 20:15 20:26 20:33 4114
C4.1 19:49 19:53 19:56 4113
C4.5 18:02 18:09 18:12 4114
C3.1 12:04 12:12 12:21
M1.1 09:43 09:55 10:03
M1.4 06:27 06:39 06:43
M6.3 04:17 04:38 04:48 4114
C3.8 03:12 03:22 03:30 4107
C5.0 01:25 01:39 01:45 4109