Solar flares on September 23, 2026
The most powerful solar flare in 24 hours
C1.6 (normal) flare - September 23 at 11:31 AM
Solar activity index
Value as of the end of the day on September 23, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 22, 2026 to September 23, 2026
Time zone — UTC+00
List of solar flares for September 23, 2026
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 15:22 | 15:32 | 15:35 | 4538 |
| C1.6 | 11:14 | 11:31 | 11:45 | 4537 |
| C1.3 | 06:08 | 06:21 | 06:37 | 4535 |