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Solar flares — March 18, 2026

March 18, 2026

Today

UTC+00
Home Solar flares March 18, 2026

Solar flares on March 18, 2026

The most powerful solar flare in 24 hours

M2.7 (strong) flare - March 18 at 8:42 AM

Solar activity index

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

Solar activity index

Solar X-ray emission over the past 2 days

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

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for March 18, 2026

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

C class — 8 | M class — 1 | X class — 0

Class begin max end region
C1.0 16:45 16:54 16:58 4392
C3.6 12:53 13:11 13:21 4392
C2.8 09:48 10:02 10:12 4392
M2.7 08:26 08:42 08:57 4392
C2.7 06:44 06:59 07:09 4392
C1.2 04:23 04:34 04:37 4397
C1.1 03:58 04:19 04:23 4397
C1.0 02:42 02:51 03:09 4393
C3.9 00:59 01:23 01:33 4392