Solar flares on September 14, 2025
The most powerful solar flare in 24 hours
C3.7 (normal) flare - September 14 at 10:23 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-05 (Springfield) — summer time
List of solar flares for September 14, 2025
The total number of solar flares of class C and higher — 10 flares
C class — 10 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 20:30 | 20:38 | 20:48 | 4217 |
| C2.0 | 13:19 | 13:23 | 13:34 | — |
| C3.7 | 10:18 | 10:23 | 10:25 | 4217 |
| C2.6 | 10:10 | 10:14 | 10:17 | 4217 |
| C3.5 | 04:27 | 04:32 | 04:40 | 4217 |
| C1.4 | 02:57 | 03:04 | 03:10 | 4217 |
| C2.2 | 01:41 | 01:50 | 01:52 | 4216 |
| C1.7 | 01:02 | 01:11 | 01:16 | 4217 |
| C1.3 | 00:48 | 00:54 | 00:56 | 4216 |
| C1.1 | 00:24 | 00:27 | 00:38 | 4216 |