Solar flares on January 21, 2026
The most powerful solar flare in 24 hours
M3.4 (strong) flare - January 21 at 7:12 AM
Solar activity index
Value as of the end of the day on January 21, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 20, 2026 to January 21, 2026
Time zone — UTC+00 (London)
List of solar flares for January 21, 2026
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 20:47 | 20:52 | 20:58 | 4341 |
| C7.6 | 19:47 | 19:55 | 20:02 | 4341 |
| C8.6 | 19:29 | 19:38 | 19:45 | 4341 |
| C3.2 | 19:05 | 19:10 | 19:15 | 4350 |
| C7.0 | 18:26 | 18:34 | 18:39 | 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 |