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Solar flares — May 04, 2026

Yesterday

The strongest solar flare in the day

Flare of M1.8 level (strong) — in 02:33

Solar activity index

Value for May 04, 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 03, 2026 to May 04, 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 04, 2026

Total number of flares of class C and higher3 flares

C type — 2 | M type — 1 | X type — 0

  start maximum end region
C1.5
12:33 12:39 12:42 4425
C1.2
11:39 11:51 12:03 4429
M1.8
02:13 02:33 02:44 4424