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Solar flares — May 28, 2026

The strongest solar flare in the day

Flare of C3.2 level (normal) — in 16:16

Solar activity index

Value for May 28, 2026 24:00 (end on the day). The maximum value is 10.0

Solar activity index

Solar flares in 2 days

Chart of solar activity from May 27, 2026 to May 28, 2026

Time zone — UTC+01 (London) - summer time

Solar flares in 2 days
This chart in PNG format — high resolution API data: JSON or TXT

List of solar flares for May 28, 2026

Total number of flares of class C and higher4 flares

C type — 4 | M type — 0 | X type — 0

  start maximum end region
C1.5
17:28 17:37 17:41 4455
C3.2
16:09 16:16 16:18 4452
C1.8
10:58 11:09 11:20 4455
C1.1
08:52 09:00 09:07 4447