Solar flares on June 3, 2026
The most powerful solar flare in 24 hours
X1.0 (very strong) flare - June 3 at 2:28 PM
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+03 (Tula)
List of solar flares for June 3, 2026
The total number of solar flares of class C and higher — 12 flares
C class — 9 | M class — 2 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:46 | 23:52 | 23:55 | 4455 |
| C1.5 | 22:21 | 22:26 | 22:32 | 4455 |
| C1.7 | 18:27 | 18:36 | 18:45 | 4455 |
| C1.4 | 15:21 | 15:29 | 15:35 | 4455 |
| X1.0 | 14:19 | 14:28 | 14:35 | 4455 |
| C2.4 | 13:53 | 13:59 | 14:08 | 4455 |
| M7.7 | 09:49 | 10:00 | 10:07 | 4455 |
| C2.1 | 07:50 | 07:55 | 07:59 | 4455 |
| C1.8 | 06:24 | 06:34 | 06:41 | 4449 |
| M9.3 | 04:22 | 04:36 | 04:43 | 4455 |
| C2.0 | 04:11 | 04:15 | 04:18 | — |
| C4.0 | 03:22 | 03:46 | 03:56 | — |