Solar flares on July 27, 2025
The most powerful solar flare in 24 hours
C3.4 (normal) flare - July 27 at 6:13 AM
Solar activity index
Value as of the end of the day on July 27, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 26, 2025 to July 27, 2025
Time zone — UTC-03 (Halifax) — summer time
List of solar flares for July 27, 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 |
|---|---|---|---|---|
| C3.1 | 15:32 | 15:44 | 15:52 | 4161 |
| C2.0 | 11:18 | 11:26 | 11:35 | 4161 |
| C1.3 | 10:55 | 11:00 | 11:03 | — |
| C2.0 | 10:02 | 10:13 | 10:18 | 4155 |
| C3.4 | 05:58 | 06:13 | 06:26 | — |
| C1.4 | 04:51 | 04:58 | 05:06 | 4160 |