Solar flares on April 11, 2026
The most powerful solar flare in 24 hours
C1.9 (normal) flare - April 11 at 9:01 PM
Solar activity index
Value as of the end of the day on April 11, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 10, 2026 to April 11, 2026
Time zone — UTC-04 (Indianapolis) — summer time
List of solar flares for April 11, 2026
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 23:09 | 23:18 | 23:22 | 4417 |
| C1.5 | 22:17 | 22:20 | 22:23 | 4417 |
| C1.9 | 20:47 | 21:01 | 21:05 | 4417 |
| C1.9 | 19:15 | 19:24 | 19:30 | 4417 |
| C1.1 | 06:08 | 06:24 | 06:39 | 4416 |