Solar flares on August 28, 2025
The most powerful solar flare in 24 hours
M1.5 (strong) flare - August 28 at 11:40 PM
Solar activity index
Value as of the end of the day on August 28, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 27, 2025 to August 28, 2025
Time zone — UTC+03 (Moscow)
List of solar flares for August 28, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 9 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.5 | 23:30 | 23:40 | 23:46 | 4203 |
| C6.0 | 23:13 | 23:27 | 23:30 | 4197 |
| M1.0 | 21:48 | 22:03 | 22:09 | 4197 |
| C3.6 | 21:10 | 21:17 | 21:23 | — |
| M1.2 | 20:00 | 20:11 | 20:17 | 4203 |
| C4.9 | 18:13 | 18:20 | 18:34 | 4203 |
| M1.1 | 17:11 | 17:16 | 17:22 | 4197 |
| C8.5 | 17:00 | 17:07 | 17:11 | 4197 |
| C4.8 | 13:23 | 13:28 | 13:33 | 4203 |
| C4.5 | 06:30 | 06:39 | 06:56 | 4203 |
| C3.6 | 05:07 | 05:15 | 05:22 | 4197 |
| C5.4 | 03:26 | 03:33 | 03:35 | 4203 |
| C6.6 | 03:06 | 03:17 | 03:26 | 4195 |