Solar flares on September 11, 2026
The most powerful solar flare in 24 hours
C1.6 (normal) flare - September 11 at 12:12 AM
Solar activity index
Value as of the end of the day on September 11, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 10, 2026 to September 11, 2026
Time zone — UTC+07 (Norilsk)
List of solar flares for September 11, 2026
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 23:53 | 00:12 | 00:39 | 4524 |