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Solar flares — Oct 09, 2025

The strongest solar flare in the day

Flare of M2.0 level (strong) — in 13:31

Solar activity index

Value for Oct 09, 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 Oct 08, 2025 to Oct 09, 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 Oct 09, 2025

Total number of flares of class C and higher4 flares

C type — 3 | M type — 1 | X type — 0

  start maximum end region
C1.8
20:36 20:45 20:48
C1.3
19:33 19:48 20:02 4241
M2.0
13:11 13:31 13:52 4236
C1.7
06:09 06:17 06:22 4241