Solar flares on August 31, 2025
The most powerful solar flare in 24 hours
C6.8 (normal) flare - August 31 at 7:26 PM
Solar activity index
Value as of the end of the day on August 31, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 30, 2025 to August 31, 2025
Time zone — UTC+01 (London) — summer time
List of solar flares for August 31, 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 |
|---|---|---|---|---|
| C3.7 | 23:39 | 23:53 | 00:11 | 4197 |
| C6.8 | 18:58 | 19:26 | 19:54 | 4202 |
| C3.6 | 10:24 | 10:32 | 10:38 | 4191 |
| C4.3 | 04:52 | 04:58 | 05:04 | 4197 |
| C5.6 | 02:26 | 02:33 | 02:40 | 4197 |
| C4.6 | 00:33 | 00:45 | 01:02 | 4197 |