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Solar flares — Jan 21, 2026

The strongest solar flare in the day

Flare of M3.4 level (strong) — in 07:12

Solar activity index

Value for Jan 21, 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 20, 2026 to Jan 21, 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 21, 2026

Total number of flares of class C and higher14 flares

C type — 12 | M type — 2 | X type — 0

  start maximum end region
C3.2
20:47 20:52 20:58 4341
C7.6
19:47 19:55 20:02 4345
C8.6
19:29 19:38 19:45 4341
C3.2
19:05 19:10 19:15 4349
C7.0
18:26 18:34 18:39 4349
C6.3
18:16 18:23 18:26 4349
C2.3
16:24 16:33 16:40 4342
C3.6
12:09 12:12 12:20 4345
C2.2
11:49 11:57 12:08 4345
M3.4
06:53 07:12 07:22 4349
C5.1
05:02 05:13 05:23
C2.0
04:43 04:48 04:50 4345
M1.1
01:15 01:35 01:58 4345
C2.1
00:05 00:09 00:12 4342