Solar flares on April 27, 2025
The most powerful solar flare in 24 hours
C2.1 (normal) flare - April 27 at 6:44 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-04 (Annapolis) — summer time
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 | 18:38 | 18:44 | 18:46 | 4064 |
| C1.5 | 18:20 | 18:29 | 18:38 | — |
| C2.1 | 14:37 | 14:49 | 15:04 | 4064 |
| C1.4 | 13:17 | 13:24 | 13:30 | 4070 |
| C1.3 | 04:18 | 04:28 | 04:39 | — |