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Solar flares — July 18, 2026

July 18, 2026

Today

UTC+00
Home Solar flares July 18, 2026

Solar flares on July 18, 2026

The most powerful solar flare in 24 hours

C2.3 (normal) flare - July 18 at 4:05 AM

Solar activity index

Value as of the end of the day on July 18, 2026

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from July 17, 2026 to July 18, 2026

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for July 18, 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
C1.5 21:39 21:52 22:03 4492
C2.3 03:56 04:05 04:14 4489
C2.2 00:38 01:20 02:08