Solar flares on April 27, 2026
The most powerful solar flare in 24 hours
M1.0 (strong) flare - April 27 at 1:45 AM
Solar activity index
Value as of the end of the day on April 27, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 26, 2026 to April 27, 2026
Time zone — UTC-05 (Madison) — summer time
List of solar flares for April 27, 2026
The total number of solar flares of class C and higher — 11 flares
C class — 10 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.7 | 20:22 | 20:32 | 20:49 | 4425 |
| C2.3 | 19:54 | 20:03 | 20:10 | 4425 |
| C5.4 | 18:06 | 18:13 | 18:16 | 4420 |
| C1.4 | 17:45 | 17:54 | 17:58 | 4425 |
| C1.0 | 16:40 | 16:44 | 16:48 | 4420 |
| C1.7 | 13:37 | 13:46 | 13:50 | 4420 |
| C1.6 | 05:00 | 05:07 | 05:11 | 4420 |
| C5.4 | 02:38 | 02:45 | 02:51 | 4420 |
| M1.0 | 01:39 | 01:45 | 01:50 | 4425 |
| C1.8 | 01:02 | 01:07 | 01:11 | 4425 |
| C1.8 | 00:37 | 00:43 | 00:50 | 4420 |