Solar flares on February 17, 2023
The most powerful solar flare in 24 hours
X2.2 (very strong) flare - February 17 at 8:16 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+00 (London)
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 | 19:38 | 20:16 | 20:50 | 3229 |
| C2.0 | 11:43 | 11:48 | 11:52 | 3226 |
| C2.0 | 10:44 | 10:50 | 11:00 | 3229 |
| C2.1 | 10:24 | 10:33 | 10:39 | — |
| C2.2 | 09:29 | 09:38 | 09:42 | 3229 |
| C1.9 | 07:29 | 07:33 | 07:43 | 3229 |
| C1.3 | 04:19 | 04:25 | 04:34 | 3229 |
| C3.8 | 01:31 | 01:35 | 01:42 | 3229 |