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Solar flares — Jan 20, 2026

Yesterday

The strongest solar flare in the day

Flare of C4.4 level (normal) — in 07:33

Solar activity index

Value for Jan 20, 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 Jan 19, 2026 to Jan 20, 2026

Time zone — UTC+00 (London)

Solar flares in 2 days
This chart in PNG format — high resolution API data: JSON or TXT

List of solar flares for Jan 20, 2026

Total number of flares of class C and higher6 flares

C type — 6 | M type — 0 | X type — 0

  start maximum end region
C4.0
08:09 08:16 08:20 4345
C4.4
07:25 07:33 07:37 4345
C2.7
06:24 06:31 06:36 4345
C2.0
06:07 06:14 06:18 4345
C2.1
05:28 05:32 05:34 4349
C2.0
04:31 04:38 04:46 4349