Solar flares on February 17, 2023
The most powerful solar flare in 24 hours
X2.2 (very strong) flare - February 17 at 11:16 PM
Solar activity index
Value as of the end of the day on February 17, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 16, 2023 to February 17, 2023
Time zone — UTC+03 (Tula)
List of solar flares for February 17, 2023
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X2.2 | 22:38 | 23:16 | 23:50 | 3229 |
| C2.0 | 14:43 | 14:48 | 14:52 | 3226 |
| C2.0 | 13:44 | 13:50 | 14:00 | 3229 |
| C2.1 | 13:24 | 13:33 | 13:39 | — |
| C2.2 | 12:29 | 12:38 | 12:42 | 3229 |
| C1.9 | 10:29 | 10:33 | 10:43 | 3229 |
| C1.3 | 07:19 | 07:25 | 07:34 | 3229 |
| C3.8 | 04:31 | 04:35 | 04:42 | 3229 |