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Solar flares — July 21, 2002

July 21, 2002

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Home Solar flares July 21, 2002

Solar flares on July 21, 2002

The most powerful solar flare in 24 hours

C7.9 (normal) flare - July 21 at 5:10 AM

Solar activity index

Value as of the end of the day on July 21, 2002

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from July 20, 2002 to July 21, 2002

Time zone — UTC+02 (Berlin) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for July 21, 2002

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

C class — 5 | M class — 0 | X class — 0

Class begin max end region
C3.4 16:14 16:21 16:31
C1.8 15:33 15:37 15:39 35
C6.7 09:35 09:45 09:54
C6.7 08:05 08:13 08:24
C7.9 05:07 05:10 05:12