Solar flares on September 15, 2023
The most powerful solar flare in 24 hours
M1.7 (strong) flare - September 15 at 10:29 PM
Solar activity index
Value as of the end of the day on September 15, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 14, 2023 to September 15, 2023
Time zone — UTC+00
List of solar flares for September 15, 2023
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.0 | 23:35 | 23:42 | 23:47 | 3429 |
| M1.7 | 22:19 | 22:29 | 22:34 | 3429 |
| C2.1 | 13:09 | 13:17 | 13:22 | 3429 |
| C2.2 | 10:09 | 10:17 | 10:25 | 3429 |
| C1.9 | 08:52 | 08:59 | 09:05 | 3429 |
| C7.0 | 05:50 | 06:04 | 06:11 | 3429 |
| C7.4 | 02:55 | 03:09 | 03:17 | 3429 |
| C2.3 | 02:40 | 02:50 | 02:55 | 3429 |
| C6.9 | 00:50 | 00:57 | 01:02 | 3429 |
| C7.4 | 00:40 | 00:46 | 00:50 | 3429 |