Solar flares on June 25, 2026
The most powerful solar flare in 24 hours
C6.6 (normal) flare - June 25 at 11:03 AM
Solar activity index
Value as of the end of the day on June 25, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 24, 2026 to June 25, 2026
Time zone — UTC-04 (Toronto) — summer time
List of solar flares for June 25, 2026
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.0 | 19:35 | 19:48 | 19:51 | 4478 |
| C2.0 | 17:55 | 18:02 | 18:14 | 4475 |
| C2.3 | 17:11 | 17:14 | 17:16 | 4478 |
| C6.6 | 10:53 | 11:03 | 11:07 | 4478 |
| C2.7 | 09:27 | 09:31 | 09:34 | 4478 |
| C2.2 | 04:58 | 05:05 | 05:15 | 4478 |
| C1.6 | 03:57 | 04:03 | 04:14 | — |
| C2.1 | 01:32 | 01:47 | 01:52 | 4475 |