Solar flares on April 20, 2023
The most powerful solar flare in 24 hours
C3.6 (normal) flare - April 20 at 9:22 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+00
List of solar flares for April 20, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 11 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 23:20 | 23:27 | 23:34 | 3281 |
| C2.3 | 22:23 | 22:30 | 22:37 | 3281 |
| C3.3 | 16:05 | 16:23 | 16:33 | — |
| C2.3 | 12:14 | 12:24 | 12:31 | 3283 |
| C2.4 | 10:47 | 10:55 | 11:07 | 3281 |
| C3.6 | 09:17 | 09:22 | 09:29 | 3281 |
| C2.5 | 07:37 | 07:43 | 07:51 | 3281 |
| C1.8 | 07:16 | 07:25 | 07:33 | 3281 |
| C2.2 | 03:17 | 03:23 | 03:28 | 3284 |
| C1.8 | 03:04 | 03:12 | 03:17 | 3283 |
| C2.2 | 01:12 | 01:19 | 01:30 | — |