Solar flares on April 20, 2023
The most powerful solar flare in 24 hours
C3.6 (normal) flare - April 20 at 3:22 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-06 (Cambridge Bay) — 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 | 20:07 | 20:14 | 20:18 | — |
| C1.2 | 17:20 | 17:27 | 17:34 | 3281 |
| C2.3 | 16:23 | 16:30 | 16:37 | 3281 |
| C3.3 | 10:05 | 10:23 | 10:33 | — |
| C2.3 | 06:14 | 06:24 | 06:31 | 3283 |
| C2.4 | 04:47 | 04:55 | 05:07 | 3281 |
| C3.6 | 03:17 | 03:22 | 03:29 | 3281 |
| C2.5 | 01:37 | 01:43 | 01:51 | 3281 |
| C1.8 | 01:16 | 01:25 | 01:33 | 3281 |