Solar flares on July 17, 2023
The most powerful solar flare in 24 hours
M5.7 (strong) flare - July 17 at 7:06 PM
Solar activity index
Value as of the end of the day on July 17, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 16, 2023 to July 17, 2023
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for July 17, 2023
The total number of solar flares of class C and higher — 14 flares
C class — 12 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M5.7 | 18:37 | 19:06 | 19:23 | 3363 |
| M2.7 | 17:41 | 17:54 | 18:06 | 3363 |
| C7.4 | 17:23 | 17:32 | 17:40 | 3363 |
| C5.9 | 17:04 | 17:11 | 17:16 | — |
| C3.3 | 14:53 | 15:01 | 15:07 | 3373 |
| C2.9 | 13:47 | 13:54 | 13:58 | — |
| C3.2 | 13:18 | 13:29 | 13:38 | 3377 |
| C2.5 | 12:25 | 12:33 | 12:47 | 3373 |
| C6.6 | 10:06 | 10:16 | 10:23 | 3372 |
| C4.2 | 04:17 | 04:27 | 04:36 | 3363 |
| C3.7 | 03:12 | 03:18 | 03:22 | 3373 |
| C4.3 | 01:45 | 01:55 | 02:09 | 3373 |
| C3.7 | 00:55 | 01:04 | 01:10 | 3373 |
| C3.9 | 00:12 | 00:16 | 00:21 | 3372 |