Solar flares on September 2, 2025
The most powerful solar flare in 24 hours
C6.1 (normal) flare - September 2 at 3:52 PM
Solar activity index
Value as of the end of the day on September 2, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 1, 2025 to September 2, 2025
Time zone — UTC+01 (London) — summer time
List of solar flares for September 2, 2025
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.2 | 21:55 | 22:03 | 22:08 | 4197 |
| C6.1 | 15:39 | 15:52 | 16:01 | 4199 |
| C2.8 | 15:17 | 15:22 | 15:28 | 4197 |