Solar flares on July 18, 2023
The most powerful solar flare in 24 hours
M5.7 (strong) flare - July 18 at 1:06 AM
Solar activity index
Value as of the end of the day on July 18, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 17, 2023 to July 18, 2023
Time zone — UTC+01 (London) — summer time
List of solar flares for July 18, 2023
The total number of solar flares of class C and higher — 1 flare
C class — 0 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M5.7 | 00:37 | 01:06 | 01:23 | 3363 |