Solar flares on July 27, 2025
The most powerful solar flare in 24 hours
C3.4 (normal) flare - July 27 at 5:13 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-04 (Quebec) — summer time
List of solar flares for July 27, 2025
The total number of solar flares of class C and higher — 7 flares
C class — 7 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 23:15 | 23:21 | 23:24 | 4153 |
| C3.1 | 14:32 | 14:44 | 14:52 | 4161 |
| C2.0 | 10:18 | 10:26 | 10:35 | 4161 |
| C1.3 | 09:55 | 10:00 | 10:03 | — |
| C2.0 | 09:02 | 09:13 | 09:18 | 4155 |
| C3.4 | 04:58 | 05:13 | 05:26 | — |
| C1.4 | 03:51 | 03:58 | 04:06 | 4160 |