Solar flares on April 16, 2025
The most powerful solar flare in 24 hours
C8.1 (normal) flare - April 16 at 4:39 AM
Solar activity index
Value as of the end of the day on April 16, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 15, 2025 to April 16, 2025
Time zone — UTC+00
List of solar flares for April 16, 2025
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.1 | 23:41 | 23:54 | 00:06 | 4062 |
| C1.7 | 15:04 | 15:08 | 15:13 | 4062 |
| C2.4 | 12:23 | 12:34 | 12:39 | — |
| C8.1 | 04:18 | 04:39 | 05:04 | — |