Solar flares on July 25, 2025
The most powerful solar flare in 24 hours
C2.2 (normal) flare - July 25 at 3:05 AM
Solar activity index
Value as of the end of the day on July 25, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 24, 2025 to July 25, 2025
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for July 25, 2025
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 12:47 | 12:54 | 12:59 | 4154 |
| C2.2 | 02:56 | 03:05 | 03:10 | 4155 |
| C1.7 | 00:45 | 00:56 | 01:09 | 4155 |