Solar flares on June 3, 2026
The most powerful solar flare in 24 hours
X1.0 (very strong) flare - June 3 at 7:28 AM
Solar activity index
Value as of the end of the day on June 3, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 2, 2026 to June 3, 2026
Time zone — UTC-04 (Augusta) — summer time
List of solar flares for June 3, 2026
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 23:41 | 23:57 | 00:06 | 4457 |
| C1.8 | 21:54 | 22:00 | 22:05 | 4458 |
| C5.1 | 19:27 | 19:43 | 20:00 | 4459 |
| C1.8 | 16:46 | 16:52 | 16:55 | 4455 |
| C1.5 | 15:21 | 15:26 | 15:32 | 4455 |
| C1.7 | 11:27 | 11:36 | 11:45 | 4455 |
| C1.4 | 08:21 | 08:29 | 08:35 | 4455 |
| X1.0 | 07:19 | 07:28 | 07:35 | 4455 |
| C2.4 | 06:53 | 06:59 | 07:08 | 4455 |
| M7.7 | 02:49 | 03:00 | 03:07 | 4455 |
| C2.1 | 00:50 | 00:55 | 00:59 | 4455 |