Solar flares on April 27, 2025
The most powerful solar flare in 24 hours
C2.1 (normal) flare - April 27 at 10:44 PM
Solar activity index
Value as of the end of the day on April 27, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 26, 2025 to April 27, 2025
Time zone — UTC+00
List of solar flares for April 27, 2025
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.1 | 22:38 | 22:44 | 22:46 | 4064 |
| C1.5 | 22:20 | 22:29 | 22:38 | — |
| C2.1 | 18:37 | 18:49 | 19:04 | 4064 |
| C1.4 | 17:17 | 17:24 | 17:30 | 4070 |
| C1.3 | 08:18 | 08:28 | 08:39 | — |