Solar flares on April 17, 2025
The most powerful solar flare in 24 hours
C4.6 (normal) flare - April 17 at 2:22 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+00
List of solar flares for April 17, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 22:00 | 22:04 | 22:06 | 4062 |
| C1.5 | 21:44 | 21:53 | 22:00 | 4066 |
| C4.6 | 14:11 | 14:22 | 14:34 | 4064 |
| C2.5 | 14:01 | 14:05 | 14:11 | 4062 |
| C2.8 | 09:32 | 09:46 | 09:52 | 4062 |
| C1.5 | 04:58 | 05:05 | 05:08 | 4060 |