Solar flares on July 29, 2025
The most powerful solar flare in 24 hours
C4.7 (normal) flare - July 29 at 11:16 PM
Solar activity index
Value as of the end of the day on July 29, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 28, 2025 to July 29, 2025
Time zone — UTC-07 (Seattle) — summer time
List of solar flares for July 29, 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 |
|---|---|---|---|---|
| C4.7 | 22:57 | 23:16 | 23:18 | 4155 |
| C1.6 | 22:17 | 22:24 | 22:26 | 4155 |
| C2.7 | 20:22 | 20:30 | 20:32 | 4155 |
| C2.6 | 19:58 | 20:06 | 20:09 | — |
| C2.9 | 19:03 | 19:17 | 19:36 | 4157 |
| C1.9 | 17:49 | 17:55 | 18:09 | 4155 |