Solar flares on June 30, 2026
The most powerful solar flare in 24 hours
X1.1 (very strong) flare - June 30 at 4:50 PM
Solar activity index
Value as of the end of the day on June 30, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 29, 2026 to June 30, 2026
Time zone — UTC-04 (Toronto) — summer time
List of solar flares for June 30, 2026
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 0 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.1 | 19:06 | 19:18 | 19:26 | 4475 |
| X1.1 | 16:34 | 16:50 | 17:00 | 4479 |
| C9.1 | 15:49 | 15:58 | 16:03 | 4478 |
| C4.9 | 14:31 | 14:48 | 15:00 | 4475 |
| C5.0 | 13:14 | 13:26 | 13:31 | 4479 |
| C5.7 | 12:39 | 12:47 | 12:53 | 4477 |
| C3.2 | 12:23 | 12:26 | 12:34 | 4478 |
| C4.3 | 08:20 | 08:34 | 08:37 | 4477 |
| C2.8 | 05:11 | 05:20 | 05:32 | 4475 |
| C3.8 | 02:17 | 02:33 | 02:52 | 4480 |