Solar flares on April 20, 2023
The most powerful solar flare in 24 hours
C3.6 (normal) flare - April 20 at 4:22 AM
Solar activity index
Value as of the end of the day on April 20, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2023 to April 20, 2023
Time zone — UTC-05 (Memphis) — summer time
List of solar flares for April 20, 2023
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 21:07 | 21:14 | 21:18 | — |
| C1.2 | 18:20 | 18:27 | 18:34 | 3281 |
| C2.3 | 17:23 | 17:30 | 17:37 | 3281 |
| C3.3 | 11:05 | 11:23 | 11:33 | — |
| C2.3 | 07:14 | 07:24 | 07:31 | 3283 |
| C2.4 | 05:47 | 05:55 | 06:07 | 3281 |
| C3.6 | 04:17 | 04:22 | 04:29 | 3281 |
| C2.5 | 02:37 | 02:43 | 02:51 | 3281 |
| C1.8 | 02:16 | 02:25 | 02:33 | 3281 |