Solar flares on April 11, 2026
The most powerful solar flare in 24 hours
C1.9 (normal) flare - April 11 at 11:24 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+00
List of solar flares for April 11, 2026
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 23:15 | 23:24 | 23:30 | 4417 |
| C1.1 | 10:08 | 10:24 | 10:39 | 4416 |