Solar flares on September 15, 2025
The most powerful solar flare in 24 hours
C2.1 (normal) flare - September 15 at 3:25 PM
Solar activity index
Value as of the end of the day on September 15, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2025 to September 15, 2025
Time zone — UTC+05:30 (Bilaspur)
List of solar flares for September 15, 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 |
|---|---|---|---|---|
| C1.6 | 18:40 | 18:47 | 18:52 | 4213 |
| C1.4 | 17:02 | 17:09 | 17:15 | 4213 |
| C2.1 | 15:22 | 15:25 | 15:30 | 4216 |
| C2.1 | 13:44 | 13:51 | 13:58 | 4217 |
| C1.6 | 12:32 | 12:39 | 12:51 | 4217 |
| C1.7 | 07:00 | 07:08 | 07:18 | 4217 |