Solar flares on July 23, 2025
The most powerful solar flare in 24 hours
C2.5 (normal) flare - July 23 at 9:37 AM
Solar activity index
Value as of the end of the day on July 23, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 22, 2025 to July 23, 2025
Time zone — UTC-04 (Providence) — summer time
List of solar flares for July 23, 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 |
|---|---|---|---|---|
| C1.6 | 21:16 | 21:25 | 21:32 | — |
| C2.5 | 09:31 | 09:37 | 09:42 | 4150 |
| C1.7 | 01:54 | 02:04 | 02:10 | 4143 |