Solar flares on April 23, 2026
The most powerful solar flare in 24 hours
X2.4 (very strong) flare - April 23 at 5:07 PM
Solar activity index
Value as of the end of the day on April 23, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 22, 2026 to April 23, 2026
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for April 23, 2026
The total number of solar flares of class C and higher — 15 flares
C class — 11 | M class — 3 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.9 | 23:07 | 23:11 | 23:18 | 4421 |
| C3.1 | 21:22 | 21:30 | 21:43 | 4419 |
| C7.9 | 19:57 | 20:01 | 20:05 | 4423 |
| X2.4 | 16:51 | 17:07 | 17:13 | 4419 |
| C3.6 | 15:04 | 15:16 | 15:23 | 4423 |
| C4.1 | 11:59 | 12:06 | 12:10 | 4420 |
| M4.9 | 09:00 | 09:08 | 09:14 | 4419 |
| C1.4 | 07:14 | 07:27 | 07:42 | 4420 |
| M1.7 | 05:42 | 06:00 | 06:11 | 4419 |
| C2.1 | 04:59 | 05:02 | 05:04 | 4420 |
| C1.3 | 04:26 | 04:30 | 04:37 | 4420 |
| C1.4 | 03:51 | 03:58 | 04:04 | 4421 |
| C2.3 | 01:47 | 01:53 | 01:57 | — |
| M4.3 | 00:40 | 00:48 | 00:53 | 4419 |
| C5.6 | 00:06 | 00:11 | 00:19 | 4420 |