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Solar flares — September 18, 2021

September 18, 2021

Today

UTC+00
Home Solar flares September 18, 2021

Solar flares on September 18, 2021

The most powerful solar flare in 24 hours

C2.6 (normal) flare - September 18 at 8:27 AM

Solar activity index

Value as of the end of the day on September 18, 2021

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from September 17, 2021 to September 18, 2021

Time zone — UTC+00

Solar flares
PNG API: JSON | TXT

List of solar flares for September 18, 2021

The total number of solar flares of class C and higher — 2 flares

C class — 2 | M class — 0 | X class — 0

Class begin max end region
C2.6 07:47 08:27 08:33 2871
C1.6 07:48 08:15 23:48 2871