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Solar flares — October 31, 2011

October 31, 2011

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Solar flares on October 31, 2011

The most powerful solar flare in 24 hours

M1.4 (strong) flare - October 31 at 12:08 PM

Solar activity index

Value as of the end of the day on October 31, 2011

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from October 30, 2011 to October 31, 2011

Time zone — UTC-06 (Fort Smith) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for October 31, 2011

The total number of solar flares of class C and higher — 5 flares

C class — 3 | M class — 2 | X class — 0

Class begin max end region
C2.7 18:22 18:28 18:33
C5.2 17:16 17:22 17:28
M1.4 11:21 12:08 12:50
M1.1 08:55 09:08 09:27
C1.3 01:54 01:59 02:10 1324