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Solar flares — June 17, 2026

June 17, 2026

Today

UTC+00
Home Solar flares June 17, 2026

Solar flares on June 17, 2026

The most powerful solar flare in 24 hours

C2.5 (normal) flare - June 17 at 3:06 PM

Solar activity index

Value as of the end of the day on June 17, 2026

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from June 16, 2026 to June 17, 2026

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for June 17, 2026

The total number of solar flares of class C and higher — 3 flares

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

Class begin max end region
C2.5 14:57 15:06 15:10 4464
C1.2 12:07 12:28 12:36 4465
C1.1 05:15 05:20 05:22 4465