Solar flares on April 30, 2026
The most powerful solar flare in 24 hours
C3.7 (normal) flare - April 30 at 4:40 AM
Solar activity index
Value as of the end of the day on April 30, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 29, 2026 to April 30, 2026
Time zone — UTC-05 (Memphis) — summer time
List of solar flares for April 30, 2026
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 |
|---|---|---|---|---|
| C1.8 | 23:12 | 23:19 | 23:22 | 4420 |
| C1.5 | 21:46 | 21:52 | 21:57 | 4424 |
| C1.8 | 17:45 | 17:50 | 17:55 | 4420 |
| C3.7 | 04:35 | 04:40 | 04:45 | — |
| C3.3 | 04:11 | 04:17 | 04:21 | 4420 |