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Solar flares — Sep 05, 2025

The strongest solar flare in the day

Flare of M1.4 level (strong) — in 02:16

Solar activity index

Value for Sep 05, 2025 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 Sep 04, 2025 to Sep 05, 2025

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 Sep 05, 2025

Total number of flares of class C and higher3 flares

C type — 2 | M type — 1 | X type — 0

  start maximum end region
C2.2
11:05 11:14 11:22 4197
M1.4
02:08 02:16 02:21 4207
C3.3
00:23 00:36 01:07 4210