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Solar flares — Aug 04, 2025

The strongest solar flare in the day

Flare of M2.0 level (strong) — in 05:57

Solar activity index

Value for Aug 04, 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 Aug 03, 2025 to Aug 04, 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 Aug 04, 2025

Total number of flares of class C and higher9 flares

C type — 7 | M type — 2 | X type — 0

  start maximum end region
C1.8
20:15 20:20 20:26 4168
C1.8
15:56 16:05 16:13 4167
C5.1
11:31 11:53 12:31
M1.4
06:05 06:15 06:21 4168
M2.0
05:52 05:57 06:05 4168
C3.3
05:24 05:41 05:52
C2.8
04:14 04:20 04:22 4168
C8.7
02:24 02:30 02:34 4168
C2.2
01:16 01:22 01:28