Solar flares on April 21, 2023
The most powerful solar flare in 24 hours
C2.3 (normal) flare - April 21 at 5:30 AM
Solar activity index
Value as of the end of the day on April 21, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 20, 2023 to April 21, 2023
Time zone — UTC+07 (Kyzyl)
List of solar flares for April 21, 2023
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 09:07 | 09:14 | 09:18 | — |
| C1.2 | 06:20 | 06:27 | 06:34 | 3281 |
| C2.3 | 05:23 | 05:30 | 05:37 | 3281 |