Solar flares on April 13, 2026
The most powerful solar flare in 24 hours
C1.1 (normal) flare - April 13 at 11:37 AM
Solar activity index
Value as of the end of the day on April 13, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 12, 2026 to April 13, 2026
Time zone — UTC+00
List of solar flares for April 13, 2026
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 11:20 | 11:37 | 11:52 | 4414 |