Solar flares on February 21, 2024
The most powerful solar flare in 24 hours
C4.3 (normal) flare - February 21 at 5:17 AM
Solar activity index
Value as of the end of the day on February 21, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 20, 2024 to February 21, 2024
Time zone — UTC+03 (Vorkuta)
List of solar flares for February 21, 2024
The total number of solar flares of class C and higher — 13 flares
C class — 13 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.0 | 23:32 | 23:37 | 23:41 | 3590 |
| C3.3 | 22:22 | 22:29 | 22:33 | 3590 |
| C3.4 | 21:14 | 21:25 | 21:32 | 3590 |
| C4.1 | 18:39 | 19:02 | 19:42 | — |
| C1.9 | 17:14 | 17:21 | 17:25 | — |
| C2.1 | 16:41 | 16:52 | 17:03 | — |
| C1.4 | 16:09 | 16:15 | 16:19 | 3590 |
| C1.7 | 13:22 | 13:27 | 13:32 | 3590 |
| C1.7 | 10:31 | 10:35 | 10:39 | 3590 |
| C2.4 | 06:38 | 07:04 | 07:35 | — |
| C4.3 | 04:55 | 05:17 | 05:42 | — |
| C3.0 | 03:44 | 03:58 | 04:16 | 3583 |
| C2.4 | 03:32 | 03:37 | 03:41 | 3590 |