Solar flares on September 4, 2026
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 4 at 11:53 AM
Solar activity index
Value as of the end of the day on September 4, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 3, 2026 to September 4, 2026
Time zone — UTC+04 (Astrakhan)
List of solar flares for September 4, 2026
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.7 | 23:02 | 23:30 | 23:41 | 4524 |
| C1.3 | 19:13 | 19:27 | 19:53 | 4518 |
| C2.1 | 16:58 | 17:05 | 17:12 | 4527 |
| C7.1 | 15:11 | 15:19 | 15:29 | 4524 |
| M1.2 | 11:45 | 11:53 | 12:00 | 4524 |
| C1.3 | 10:08 | 10:15 | 11:45 | 4527 |
| C3.7 | 23:55 | 00:03 | 00:16 | 4523 |