Solar flares on September 9, 2026
The most powerful solar flare in 24 hours
C3.4 (normal) flare - September 9 at 5:08 AM
Solar activity index
Value as of the end of the day on September 9, 2026
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 8, 2026 to September 9, 2026
Time zone — UTC-04 (Barrie) — summer time
List of solar flares for September 9, 2026
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 20:25 | 20:51 | 21:08 | 4524 |
| C3.2 | 06:23 | 06:32 | 06:37 | 4521 |
| C3.4 | 04:51 | 05:08 | 05:23 | — |
| C1.5 | 01:53 | 02:10 | 02:25 | 4528 |