Solar flares on September 2, 2025
The most powerful solar flare in 24 hours
C6.1 (normal) flare - September 2 at 7:52 AM
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-07 (Abbotsford) — summer time
List of solar flares for September 2, 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 |
|---|---|---|---|---|
| C2.5 | 22:36 | 22:42 | 22:51 | 4197 |
| C2.9 | 20:56 | 20:59 | 21:01 | 4210 |
| C2.8 | 19:37 | 19:41 | 19:44 | 4210 |
| C2.7 | 17:52 | 17:56 | 18:00 | 4210 |
| C3.0 | 17:30 | 17:35 | 17:41 | 4197 |
| C2.7 | 17:06 | 17:10 | 17:22 | 4197 |
| C4.9 | 16:46 | 16:50 | 16:57 | 4197 |
| C4.2 | 13:55 | 14:03 | 14:08 | 4197 |
| C6.1 | 07:39 | 07:52 | 08:01 | 4199 |
| C2.8 | 07:17 | 07:22 | 07:28 | 4197 |