Solar flares on January 17, 2026
The most powerful solar flare in 24 hours
M2.1 (strong) flare - January 17 at 5:29 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-05 (Sherbrooke)
List of solar flares for January 17, 2026
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 22:53 | 23:08 | 23:22 | — |
| C1.7 | 22:41 | 22:49 | 22:53 | 4342 |
| C1.5 | 22:06 | 22:11 | 22:17 | 4342 |
| M1.1 | 18:46 | 18:51 | 18:54 | 4341 |
| C8.4 | 18:32 | 18:42 | 18:46 | 4341 |
| C1.9 | 13:04 | 13:13 | 13:22 | 4342 |
| C5.6 | 10:03 | 10:07 | 10:10 | 4341 |
| M2.1 | 05:19 | 05:29 | 05:32 | 4341 |
| C2.0 | 02:43 | 02:48 | 02:50 | 4343 |
| C2.2 | 02:29 | 02:34 | 02:43 | 4343 |
| C2.8 | 01:03 | 01:09 | 01:14 | 4342 |