Solar flares on September 14, 2025
The most powerful solar flare in 24 hours
C3.7 (normal) flare - September 14 at 8:23 AM
Solar activity index
Value as of the end of the day on September 14, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 13, 2025 to September 14, 2025
Time zone — UTC-07 (Seattle) — summer time
List of solar flares for September 14, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 18:30 | 18:38 | 18:48 | 4217 |
| C2.0 | 11:19 | 11:23 | 11:34 | — |
| C3.7 | 08:18 | 08:23 | 08:25 | 4217 |
| C2.6 | 08:10 | 08:14 | 08:17 | 4217 |
| C3.5 | 02:27 | 02:32 | 02:40 | 4217 |
| C1.4 | 00:57 | 01:04 | 01:10 | 4217 |