Solar flares on August 18, 2023
The most powerful solar flare in 24 hours
C3.7 (normal) flare - August 18 at 8:30 PM
Solar activity index
Value as of the end of the day on August 18, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2023 to August 18, 2023
Time zone — UTC+01 (London) — summer time
List of solar flares for August 18, 2023
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 22:17 | 22:35 | 22:58 | 3409 |
| C3.7 | 20:09 | 20:30 | 20:49 | 3409 |
| C1.7 | 11:30 | 11:48 | 12:08 | 3409 |
| C3.1 | 03:40 | 03:52 | 04:03 | 3405 |
| C1.3 | 00:32 | 00:40 | 00:49 | 3403 |