Solar flares on January 17, 2026
The most powerful solar flare in 24 hours
M2.1 (strong) flare - January 17 at 10:29 AM
Solar activity index
Value as of the end of the day on January 17, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 16, 2026 to January 17, 2026
Time zone — UTC+00 (London)
List of solar flares for January 17, 2026
The total number of solar flares of class C and higher — 16 flares
C class — 14 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.1 | 23:46 | 23:51 | 23:54 | 4341 |
| C8.4 | 23:32 | 23:42 | 23:46 | 4341 |
| C1.9 | 18:04 | 18:13 | 18:22 | 4342 |
| C5.6 | 15:03 | 15:07 | 15:10 | 4341 |
| M2.1 | 10:19 | 10:29 | 10:32 | 4341 |
| C2.0 | 07:43 | 07:48 | 07:50 | 4343 |
| C2.2 | 07:29 | 07:34 | 07:43 | 4343 |
| C2.8 | 06:03 | 06:09 | 06:14 | 4342 |
| C2.0 | 04:13 | 04:20 | 04:25 | 4341 |
| C1.9 | 03:57 | 04:04 | 04:08 | 4342 |
| C2.4 | 03:02 | 03:07 | 03:13 | 4341 |
| C4.7 | 02:42 | 02:46 | 02:48 | 4341 |
| C4.4 | 02:29 | 02:37 | 02:42 | 4341 |
| C3.0 | 02:20 | 02:26 | 02:29 | 4343 |
| C3.1 | 00:49 | 00:54 | 00:58 | 4343 |
| C1.7 | 23:54 | 00:01 | 00:07 | 4343 |