Solar flares on July 17, 2025
The most powerful solar flare in 24 hours
C5.9 (normal) flare - July 17 at 7:28 PM
Solar activity index
Value as of the end of the day on July 17, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 16, 2025 to July 17, 2025
Time zone — UTC+10 (Birobidzhan)
List of solar flares for July 17, 2025
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 |
|---|---|---|---|---|
| C2.8 | 23:09 | 23:13 | 23:16 | 4142 |
| C5.9 | 19:17 | 19:28 | 19:36 | 4136 |
| C2.3 | 07:17 | 07:27 | 07:43 | 4142 |
| C1.6 | 07:04 | 07:11 | 07:17 | 4145 |
| C2.5 | 04:56 | 05:04 | 05:09 | 4142 |