Solar flares on September 14, 2025
The most powerful solar flare in 24 hours
C3.7 (normal) flare - September 14 at 3:23 PM
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+00
List of solar flares for September 14, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 18:19 | 18:23 | 18:34 | — |
| C3.7 | 15:18 | 15:23 | 15:25 | 4217 |
| C2.6 | 15:10 | 15:14 | 15:17 | 4217 |
| C3.5 | 09:27 | 09:32 | 09:40 | 4217 |
| C1.4 | 07:57 | 08:04 | 08:10 | 4217 |
| C2.2 | 06:41 | 06:50 | 06:52 | 4216 |
| C1.7 | 06:02 | 06:11 | 06:16 | 4217 |
| C1.3 | 05:48 | 05:54 | 05:56 | 4216 |
| C1.1 | 05:24 | 05:27 | 05:38 | 4216 |