Solar flares on June 4, 2026
The most powerful solar flare in 24 hours
C5.1 (normal) flare - June 4 at 6:43 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+07 (Tomsk)
List of solar flares for June 4, 2026
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.8 | 23:25 | 23:35 | 23:44 | 4452 |
| C1.6 | 22:53 | 22:58 | 23:06 | 4452 |
| C1.5 | 19:50 | 19:58 | 20:09 | 4455 |
| C1.5 | 13:31 | 13:38 | 13:40 | 4446 |
| C1.2 | 13:16 | 13:23 | 13:30 | 4461 |
| C2.6 | 10:41 | 10:57 | 11:06 | 4457 |
| C1.8 | 08:54 | 09:00 | 09:05 | 4458 |
| C5.1 | 06:27 | 06:43 | 07:00 | 4459 |
| C1.8 | 03:46 | 03:52 | 03:55 | 4455 |
| C1.5 | 02:21 | 02:26 | 02:32 | 4455 |