Solar flares on April 19, 2025
The most powerful solar flare in 24 hours
C4.3 (normal) flare - April 19 at 12:28 PM
Solar activity index
Value as of the end of the day on April 19, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 18, 2025 to April 19, 2025
Time zone — UTC-04 (Lansing) — summer time
List of solar flares for April 19, 2025
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 |
|---|---|---|---|---|
| C4.3 | 12:23 | 12:28 | 12:32 | 4065 |
| C1.5 | 07:06 | 07:14 | 07:20 | 4060 |