Solar flares on September 4, 2026
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 4 at 2:53 PM
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+07 (Tomsk)
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 |
|---|---|---|---|---|
| C1.3 | 22:13 | 22:27 | 22:53 | 4518 |
| C2.1 | 19:58 | 20:05 | 20:12 | 4527 |
| C7.1 | 18:11 | 18:19 | 18:29 | 4524 |
| M1.2 | 14:45 | 14:53 | 15:00 | 4524 |
| C1.3 | 13:08 | 13:15 | 14:45 | 4527 |
| C3.7 | 02:55 | 03:03 | 03:16 | 4523 |
| C3.0 | 01:22 | 01:29 | 01:33 | 4523 |