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Solar flares — Oct 10, 2025

The strongest solar flare in the day

Flare of C2.3 level (normal) — in 07:29

Solar activity index

Value for Oct 10, 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 09, 2025 to Oct 10, 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 10, 2025

Total number of flares of class C and higher4 flares

C type — 4 | M type — 0 | X type — 0

  start maximum end region
C1.8
22:56 23:02 23:05
C1.7
20:56 21:16 21:26 4246
C1.0
20:26 20:33 20:42 4246
C2.3
07:13 07:29 07:43 4241