Solar flares on July 4, 2025
The most powerful solar flare in 24 hours
C2.5 (normal) flare - July 4 at 2:47 AM
Solar activity index
Value as of the end of the day on July 4, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 3, 2025 to July 4, 2025
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for July 4, 2025
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 06:25 | 06:33 | 06:38 | 4129 |
| C2.5 | 02:38 | 02:47 | 02:55 | 4130 |