Solar flares on September 29, 2026
The most powerful solar flare in 24 hours
C1.5 (normal) flare - September 29 at 9:46 PM
Solar activity index
Value as of the end of the day on September 29, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 28, 2026 to September 29, 2026
Time zone — UTC+00
List of solar flares for September 29, 2026
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 21:37 | 21:46 | 21:52 | — |
| C1.1 | 12:57 | 13:11 | 13:17 | — |