Solar flares on June 4, 2026
The most powerful solar flare in 24 hours
C5.1 (normal) flare - June 4 at 7:43 AM
Solar activity index
Value as of the end of the day on June 4, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 3, 2026 to June 4, 2026
Time zone — UTC+08 (Irkutsk)
List of solar flares for June 4, 2026
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:53 | 23:58 | 00:06 | 4452 |
| C1.5 | 20:50 | 20:58 | 21:09 | 4455 |
| C1.5 | 14:31 | 14:38 | 14:40 | 4446 |
| C1.2 | 14:16 | 14:23 | 14:30 | 4461 |
| C2.6 | 11:41 | 11:57 | 12:06 | 4457 |
| C1.8 | 09:54 | 10:00 | 10:05 | 4458 |
| C5.1 | 07:27 | 07:43 | 08:00 | 4459 |
| C1.8 | 04:46 | 04:52 | 04:55 | 4455 |
| C1.5 | 03:21 | 03:26 | 03:32 | 4455 |