Solar flares on September 11, 2023
The most powerful solar flare in 24 hours
M1.3 (strong) flare - September 11 at 1:28 AM
Solar activity index
Value as of the end of the day on September 11, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 10, 2023 to September 11, 2023
Time zone — UTC+00
List of solar flares for September 11, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 8 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C8.2 | 21:07 | 21:14 | 21:24 | 3425 |
| C5.5 | 17:16 | 17:35 | 17:46 | 3425 |
| M1.1 | 14:38 | 14:49 | 14:59 | 3431 |
| C3.7 | 11:21 | 11:27 | 11:36 | 3431 |
| C7.4 | 10:25 | 10:37 | 10:48 | 3423 |
| C6.8 | 06:10 | 06:17 | 06:25 | 3431 |
| C9.3 | 05:54 | 06:01 | 06:05 | 3431 |
| C7.1 | 05:34 | 05:42 | 05:46 | 3431 |
| M1.1 | 03:58 | 04:07 | 04:15 | 3431 |
| M1.3 | 01:08 | 01:28 | 01:57 | 3429 |
| C3.6 | 00:22 | 00:40 | 00:52 | 3421 |