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Solar flares — July 28, 2003

July 28, 2003

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Solar flares on July 28, 2003

The most powerful solar flare in 24 hours

M1.3 (strong) flare - July 28 at 5:39 PM

Solar activity index

Value as of the end of the day on July 28, 2003

Solar activity index

Solar X-ray emission over the past 2 days

Chart of solar X-ray emission (1-8 Å) from July 27, 2003 to July 28, 2003

Time zone — UTC-08 (Anchorage) — summer time

Solar flares
PNG API: JSON | TXT

List of solar flares for July 28, 2003

The total number of solar flares of class C and higher — 4 flares

C class — 3 | M class — 1 | X class — 0

Class begin max end region
C1.0 21:32 21:48 21:50 421
M1.3 17:28 17:39 17:43 421
C1.0 05:43 05:49 05:57 422
C1.2 03:07 03:12 03:14 421