Solar flares on April 25, 2026
The most powerful solar flare in 24 hours
M1.3 (strong) flare - April 25 at 9:59 AM
Solar activity index
Value as of the end of the day on April 25, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 24, 2026 to April 25, 2026
Time zone — UTC+02 (Vienna) — summer time
List of solar flares for April 25, 2026
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.5 | 23:24 | 23:26 | 23:29 | 4423 |
| C3.9 | 21:26 | 21:38 | 21:53 | 4420 |
| C2.1 | 17:53 | 18:02 | 18:08 | 4425 |
| M1.1 | 16:22 | 16:30 | 16:32 | 4425 |
| C3.8 | 15:12 | 15:20 | 15:28 | 4419 |
| C1.4 | 14:25 | 14:31 | 14:34 | 4425 |
| C3.2 | 11:47 | 11:54 | 11:56 | 4420 |
| C2.1 | 11:30 | 11:32 | 11:35 | 4425 |
| M1.3 | 09:56 | 09:59 | 10:03 | 4423 |
| C2.5 | 09:40 | 09:46 | 09:49 | 4425 |
| C1.3 | 09:03 | 09:08 | 09:12 | 4425 |
| C4.6 | 03:17 | 03:33 | 03:53 | 4423 |
| C2.7 | 02:17 | 02:25 | 02:28 | — |