Solar flares on April 17, 2025
The most powerful solar flare in 24 hours
C4.6 (normal) flare - April 17 at 3:22 PM
Solar activity index
Value as of the end of the day on April 17, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 16, 2025 to April 17, 2025
Time zone — UTC+01 (London) — summer time
List of solar flares for April 17, 2025
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 23:00 | 23:04 | 23:06 | 4062 |
| C1.5 | 22:44 | 22:53 | 23:00 | 4066 |
| C4.6 | 15:11 | 15:22 | 15:34 | 4064 |
| C2.5 | 15:01 | 15:05 | 15:11 | 4062 |
| C2.8 | 10:32 | 10:46 | 10:52 | 4062 |
| C1.5 | 05:58 | 06:05 | 06:08 | 4060 |
| C3.1 | 00:41 | 00:54 | 01:06 | 4062 |